Ferrocene-Containing Pseudorotaxanes in Crystals: Aromatic Interactions with Hammett Correlation

Yuji Suzaki, Tomoko Abe, Asami Takei, Yugo Fukuchi, Take Aki Koizumi, Kohtaro Osakada, Masaki Horie

Molecules   27 ( 5 )   2022.3

Synthesis of organic carbamates as polyurethane raw materials from CO₂: the quest for metal alkoxides as regenerable reagents

Katsuhiko Takeuchi, Kazuhiro Matsumoto, Norihisa Fukaya, Kohtaro Osakada, Kazuhiko Sato, Jun-Chul Choi

Dalton Transactions   51 ( 41 )   15631 - 15643   2022

Cyclic Diplatinum Complex with a Tröger's Base Ligand and Reductive Elimination of a Highly Strained Ring Molecule Reviewed

Yusuke Yoshigoe, Yuji Suzaki, Kohtaro Osakada

Zeitschrift für anorganische und allgemeine Chemie   647 ( 13 )   1319 - 1325   2021.7

Synthesis of a Ni Complex Chelated by a [2.2]Paracyclophane-Functionalized Diimine Ligand and Its Catalytic Activity for Olefin Oligomerization Reviewed

Daisuke Takeuchi, Yoshi-aki Tojo, Kohtaro Osakada

Molecules   26 ( 9 )   2719 - 2719   2021.5

Synthesis and reactivity of boryloxorhodium complexes. Relevance to intermolecular transmetalation from boron to Rhodium in Rh-catalyzed reactions Reviewed

Yasushi Nishihara, Yasuhiro Nishide, Kohtaro Osakada

Dalton Transactions   2021

Further investigations of the crystal-to-crystal phase transition of a [2]pseudorotaxane composed of ferrocene-terminated dialkylammonium and dibenzo[24]crown-8-ether Reviewed

Yuji Suzaki, Yugo Fukuchi, Hiroko Tadami, Take-aki Koizumi, Kohtaro Osakada, Tomohito Ide, Masaki Horie, Norihisa Hoshino, Tomoyuki Akutagawa

CrystEngComm   23 ( 34 )   5944 - 5952   2021

A Macrocyclic Gold(I)–Biphenylene Complex: Triangular Molecular Structure with Twisted Au 2 (diphosphine) Corners and Reductive Elimination of [6]Cycloparaphenylene

Yoshitaka Tsuchido, Ryota Abe, Tomohito Ide, Kohtaro Osakada

Angewandte Chemie   132 ( 51 )   23128 - 23132   2020.12

Cyclodextrin Rotaxanes of Pt Complexes and Their Conversion to Pt Nanoparticles Reviewed

Yuji Suzaki, Yuhei Fujii, Kohtaro Osakada

Molecules   25 ( 23 )   5617 - 5617   2020.11

Copolymerization of 1-Decene with Alkyl and Alkenyl Methacrylates Catalyzed by Palladium–diimine Complexes Reviewed

Takayoshi YAMADA, Daisuke TAKEUCHI, Kohtaro OSAKADA, Ichihiro ARATANI

Journal of the Japan Petroleum Institute   63 ( 5 )   282 - 288   2020.9

Copolymerisation of 1-alkenes with bulky oxygen-containing olefins for dual-stage functionalisation of polyolefins Reviewed

Daisuke Takeuchi, Makoto Nakamura, Kohtaro Osakada

Polymer Chemistry   12 ( 2 )   299 - 306   2020.9

Macrocyclic Gold(I)-biphenylene Complex: Triangular Molecular Structure with Twisted Au2(diphosphine) Corners and Reductive Elimination of [6]Cycloparaphenylene. Reviewed International journal

Yoshitaka Tsuchido, Ryota Abe, Tomohito Ide, Kohtaro Osakada

Angewandte Chemie (International ed. in English)   59 ( 51 )   22928 - 22932   2020.7

Transformation of Thiolatogold(I) to an Au Complex with an (Arylthio)silyl Ligand. Use of an (Aminosilyl)boronic Ester as a Silylene Precursor Reviewed

Yoshitaka Tsuchido, Kazuki Okuma, Kohtaro Osakada, Tomohito Ide

ORGANOMETALLICS   39 ( 14 )   2565 - 2569   2020.7

Structure and Properties of Lantern-Shaped Hexapalladium Complexes with Germylene and Thiolate Ligands [Pd6(µ-GePh2)2(µ-SC6H4-p-X)2(CN-C6H3Me2-2,6)8] (X = NO2, Cl, H, CH3) Reviewed

Take-aki Koizumi, Yoshitaka Tsuchido, Tomohito Ide, Kohtaro Osakada

European Journal of Inorganic Chemistry   2020 ( 23 )   2253 - 2259   2020.6

Gold(I) complexes with chloro(diaryl)silyl ligand. Stoichiometric reactions and catalysis for O-functionalization of organosilane Reviewed

Yoshitaka Tsuchido, Atsushi Kanda, Kohtaro Osakada

Tetrahedron   76 ( 15 )   131076 - 131076   2020.4

Catalytic and stoichiometric reactions of Arylpalladium(II) complexes bearing a trans-chelating dinitrogen ligand with arylboronic acids Reviewed

Yuji Suzaki, Takashi Saito, Kohtaro Osakada

Journal of Organometallic Chemistry   910   121088 - 121088   2020.3

Synthesis of polycyclic polyolefins by a Pd-catalyzed isomerization polymerization of vinylcycloalkanes Reviewed

Daisuke Takeuchi, Karin Nakamura, Yuki Tokura, Ryuji Tsubamoto, Kohtaro Osakada

Polymer Journal   52 ( 1 )   93 - 101   2020.1

Synthesis of Poly(Arylene Alkenylene)s by Pd‐Catalyzed Three‐Component Coupling Polycondensation of Diiodoarenes, Non‐Conjugated Dienes, and Nucleophiles that Involves Chain Walking Isomerization Reviewed

Liyi Tan, Daisuke Takeuchi, Kohtaro Osakada

Journal of Polymer Science Part A: Polymer Chemistry   57 ( 24 )   2535 - 2542   2019.12

π-Extension of electron-accepting dithiarubicene with a cyano-substituted electron-withdrawing group and application in air-stable n-channel organic field effect transistors Reviewed

Kenji Tsukamoto, Koji Takagi, Shusaku Nagano, Mitsuo Hara, Yutaka Ie, Kohtaro Osakada, Daisuke Takeuchi

Journal of Materials Chemistry C   7 ( 40 )   12610 - 12618   2019.10

Hydrovinylation of Olefins Catalyzed by RuCl₂(MeCN)₂(cod)/organoaluminum System Reviewed

Daisuke Takeuchi, Hiroyuki Takada, Kenji Yamazaki, Kohtaro Osakada

Transactions of the Materials Research Society of Japan   44 ( 4 )   137 - 141   2019.8

Pd-Promoted Copolymerization of Methallyl and Isoprenyl Ethers and Acetate with α-Olefins Reviewed

Daisuke Takeuchi, Takayoshi Yamada, Yuichiro Nakamaru, Kohtaro Osakada, Ichihiro Aratani, Yutaka Suzuki

Organometallics   38 ( 11 )   2323 - 2329   2019.6

Bimolecular fusion of [Pd3(μ-CN-C6H3Me2-2,6)3(CN-C6H3Me2-2,6)3] induced by Ph2GeH2: formation of the redox-active Pd6Ge2 complex Reviewed

Take-aki Koizumi, Kimiya Tanaka, Yoshitaka Tuchido, Makoto Tanabe, Tomohiko Ide, Kohtaro Osakada

Dalton Transactions   48 ( 22 )   7541 - 7545   2019.4

Pd-catalyzed Sonogashira coupling in aqueous media. Observation of micelles that contain substrates and catalyst Reviewed

Yuji Suzaki, Yuka Kobayashi, Yoshitaka Tsuchido, Kohtaro Osakada

Molecular Catalysis   466   106 - 111   2019.4

Copolymerization of 1,3-butadiene and norbornene catalyzed by Ni complexes Reviewed

Shinji Yamakawa, Daisuke Takeuchi, Kohtaro Osakada, Shigenaga Takano, Shojiro Kaita

Reactive and Functional Polymers   136   19 - 24   2019.3

Synthesis and Aggregation Behavior of Poly(arylene alkenylene)s and Poly(arylene alkylene)s Having Dialkoxyphenylene and Aromatic Diimide Groups Reviewed

Li Yi Tan, Yoshitaka Tsuchido, Kohtaro Osakada, Zhengguo Cai, Yoshiaki Takahashi, Daisuke Takeuchi

Macromolecules   52 ( 4 )   1642 - 1652   2019.2

A Study of Mechanical Properties and Molecular Motions at Low Temperature of Novel Polyolefin Materials Reviewed

Tadashi UMEMOTO, Katsuhisa TOKUMITSU, Hiroki TAKESHITA, Daisuke TAKEUCHI, Kohtaro OSAKADA

Journal of the Society of Materials Science, Japan   68 ( 1 )   47 - 53   2019.1

Double-Decker-Type Dipalladium Catalysts for Copolymerization of Ethylene with Acrylic Anhydride Reviewed

Daisuke Takeuchi, Takashi Iwasawa, Kohtaro Osakada

Macromolecules   2018.7

Hydrosilylation of Aromatic Aldehydes and Ketones Catalyzed by Mono- and Tri-Nuclear Platinum(0) Complexes Reviewed

Tsuchido, Yoshitaka, Abe, Ryota, Kamono, Megumi, Tanaka, Kimiya, Tanabe, Makoto, Osakada, Kohtaro

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   91 ( 5 )   858 - 864   2018.5

Reversible Laser-Induced Bending of Pseudorotaxane Crystals Reviewed

Shao-Chi Cheng, Kai-Jen Chen, Yuji Suzaki, Yoshitaka Tsuchido, Ting-Shen Kuo, Kohtaro Osakada, Masaki Horie

Journal of the American Chemical Society   140 ( 1 )   90 - 93   2018.1

Cyclic Platina(borasiloxane)s and Platina(siloxane)s and Their Chemical Properties Reviewed

Hiroki Noda, Kimiya Tanaka, Makoto Tanabe, Kohtaro Osakada

Organometallics   37 ( 1 )   22 - 29   2018.1

Ethylene polymerization catalyzed by dinickel complexes with a double-decker structure Reviewed

Daisuke Takeuchi, Yuriko Chiba, Shigenaga Takano, Hideo Kurihara, Minoru Kobayashi, Kohtaro Osakada

Polymer Chemistry   8 ( 34 )   5112 - 5119   2017.9

Triangular Triplatinum Complex with Four Bridging Si Ligands: Dynamic Behavior of the Molecule and Catalysis Reviewed

Tanabe, Makoto, Kamono, Megumi, Tanaka, Kimiya, Osakada, Kohtaro

ORGANOMETALLICS   36 ( 10 )   1929 - 1935   2017.5

Synthesis of 4,4-Dihydrodithienosilole and Its Unexpected Cyclodimerization Catalyzed by Ni and Pt Complexes Reviewed

Tanabe, Makoto, Hagio, Toshihiro, Osakada, Kohtaro, Nakamura, Masashi, Hayashi, Yuya, Ohshita, Joji

ORGANOMETALLICS   36 ( 10 )   1974 - 1980   2017.5

Fluoroalkylation of a Methylplatinum(II) Complex under Photoirradiation Reviewed

Yuji Suzaki, Minetada Kiho, Kohtaro Osakada

ORGANOMETALLICS   36 ( 7 )   1391 - 1397   2017.4

Cationic and Neutral Rotaxanes Having Different Functional Groups in the Axle Molecule and Their Coordination to PtII Reviewed

Gilbert Yu, Yuji Suzaki, Kohtaro Osakada

Chemistry - An Asian Journal   12 ( 3 )   372 - 377   2017.2

Planar PtPd3Complexes Stabilized by Three Bridging Silylene Ligands Reviewed

Makoto Tanabe, Ryouhei Yumoto, Tetsuyuki Yamada, Tomoko Fukuta, Tsuyoshi Hoshino, Kohtaro Osakada, Tomoaki Tanase

Chemistry - A European Journal   23 ( 6 )   1386 - 1392   2017.1

Rapid and reversible photoinduced switching of a rotaxane crystal Reviewed

Kai-Jen Chen, Ya-Ching Tsai, Yuji Suzaki, Kohtaro Osakada, Atsushi Miura, Masaki Horie

NATURE COMMUNICATIONS   7   13321   2016.11

Bi- and Multilayered Assembly of Amphiphilic Pd(II) and Pt(II) Complexes with N-Alkyl-4,4 '-bipyridinium Ligands Reviewed

Hirotaka Endo, Yuji Suzaki, Motonori Komura, Kohtaro Osakada

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   89 ( 9 )   1069 - 1071   2016.9

Nickel(0)-Catalyzed Polycondensation of Silafluorene: Control over Molecular Weight and Polymer Growth Mechanism Reviewed

Makoto Tanabe, Shunsuke Iwase, Kohtaro Osakada

Organometallics   35 ( 15 )   2557 - 2562   2016.8

Synthesis of Optically Active Polystyrene Catalyzed by Monophosphine Pd Complexes Reviewed

Matthieu Jouffroy, Dominique Armspach, Dominique Matt, Kohtaro Osakada, Daisuke Takeuchi

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   55 ( 29 )   8367 - 8370   2016.7

Chemical Modification of a [2]Rotaxane Composed of Dithiacrown Ether and Dialkylammonium with Organic and Inorganic Compounds Reviewed

Hiroyuki Nagai, Yuji Suzaki, Kohtaro Osakada

CHEMISTRY LETTERS   45 ( 7 )   834 - 836   2016.7

Tetramer and Polymer of 2,7-Dialkoxy-9H-9-silafluorene Composed of Si Backbone and π-Stacked Biphenylene Groups Reviewed

Makoto Tanabe, Shunsuke Iwase, Atsushi Takahashi, Kohtaro Osakada

Chemistry Letters   45 ( 4 )   394 - 396   2016.4

Ferrocene-containing [1]-, [2]-, [3]- and [4]rotaxanes synthesized from a common precursor Reviewed

Gilbert Yu, Yuji Suzaki, Kohtaro Osakada

RSC Advances   6 ( 47 )   41369 - 41375   2016.4

Olefin Polymerization Catalyzed by Double-Decker Dipalladium Complexes: Low Branched Poly(-Olefin)s by Selective Insertion of the Monomer Molecule Reviewed

Shigenaga Takano, Daisuke Takeuchi, Kohtaro Osakada

CHEMISTRY-A EUROPEAN JOURNAL   21 ( 45 )   16209 - 16218   2015.11

Synthesis of Polyketones Containing Substituted Six-Membered Rings via Pd-Catalyzed Copolymerization of Methylenecyclohexanes with Carbon Monoxide Reviewed

Daisuke Takeuchi, Keisuke Watanabe, Kohtaro Osakada

MACROMOLECULES   48 ( 18 )   6745 - 6749   2015.9

Ring Expansion of Cyclic Triplatinum(0) Silylene Complexes Induced by Insertion of Alkyne into a Si–Pt Bond Reviewed

Kimiya Tanaka, Megumi Kamono, Makoto Tanabe, Kohtaro Osakada

Organometallics   34 ( 12 )   2985 - 2990   2015.6

1,4-Selective Diels-Alder Reaction of 9,10-Diethynylanthracene with 3,6-Difluorobenzyne Reviewed

Yoshitaka Tsuchido, Tomohito Ide, Yuji Suzaki, Kohtaro Osakada

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   88 ( 6 )   821 - 823   2015.6

Polymerization of Methylenecyclohexanes Catalyzed by Diimine-Pd Complex. Polymers Having trans- or cis-1,4-and trans-1,3-Cyclohexylene Groups Reviewed

Daisuke Takeuchi, Keisuke Watanabe, Kenji Sogo, Kohtaro Osakada

ORGANOMETALLICS   34 ( 12 )   3007 - 3011   2015.6

Cyclopolymerization of 1,6-heptadienes and 1,6,11-dodecatrienes having acyclic substituents catalyzed by Pd-diimine complexes Reviewed

Kenya Motokuni, Daisuke Takeuchi, Kohtaro Osakada

POLYMER BULLETIN   72 ( 3 )   583 - 597   2015.3

Bond Formation and Coupling between Germyl and Bridging Germylene Ligands in Dinuclear Palladium(I) Complexes Reviewed

Makoto Tanabe, Shumpei Omine, Naoko Ishikawa, Kohtaro Osakada, Yoshihiro Hayashi, Susumu Kawauchi

Angewandte Chemie International Edition   54 ( 9 )   2679 - 2683   2015.2

Double cyclizative polymerization of trienes catalyzed by Pd complexes. Combined ring-forming and chain-walking reactions of the growing end Reviewed

Kenya Motokuni, Daisuke Takeuchi, Kohtaro Osakada

Polymer Chemistry   6 ( 8 )   1248 - 1254   2015.2

Synthesis and Reactions of Pd-II Complexes with Aryl, Aroyl, and Iminoaroyl Ligands - Insertion of CO and RNC into the Pd-Ar Bond and Intermolecular Coupling of the Ligands Reviewed

Yuji Suzaki, Masanori Shirokawa, Takeyoshi Yagyu, Kohtaro Osakada

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY   ( 3 )   421 - 429   2015.1

Ethylene Polymerization at High Temperatures Catalyzed by Double-Decker-Type Dinuclear Iron and Cobalt Complexes: Dimer Effect on Stability of the Catalyst and Polydispersity of the Product Reviewed

Daisuke Takeuchi, Shigenaga Takano, Yuji Takeuchi, Kohtaro Osakada

ORGANOMETALLICS   33 ( 19 )   5316 - 5323   2014.10

Double Cyclopolymerization of Monoterminal Trienes Using Pd Catalysis. Polymers Containing Functionallized Cyclic Groups with a Regulated Sequence Reviewed

Kenya Motokuni, Daisuke Takeuchi, Kohtaro Osakada

Macromolecules   47 ( 18 )   6522 - 6526   2014.9

Thiacrown Ethers with Oxygen and Sulfur for Coordination: Formation of the Pd and Pt Complexes and Pseudorotaxane with Dialkylammonium Reviewed

Hiroyuki Nagai, Yuji Suzaki, Kohtaro Osakada

EUROPEAN JOURNAL OF INORGANIC CHEMISTRY   ( 26 )   4376 - 4384   2014.9

Intermolecular Aryl Ligands Transfer of the Diarylplatinum(II) Complexes with a Cyclooctadiene Ligand Reviewed

Yusuke Yoshigoe, Yuji Suzaki, Kohtaro Osakada

Chemistry Letters   43 ( 8 )   1337 - 1339   2014.8

Dipalladium Catalyst for Olefin Polymerization: Introduction of Acrylate Units into the Main Chain of Branched Polyethylene Reviewed

Shigenaga Takano, Daisuke Takeuchi, Kohtaro Osakada, Norihisa Akamatsu, Atsushi Shishido

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   53 ( 35 )   9246 - 9250   2014.8

A triangular triplatinum(0) complex with bridging germylene ligands: insertion of alkynes into the Pt–Ge bond rather than the Pt–Pt bond Reviewed

Makoto Tanabe, Kimiya Tanaka, Shumpei Omine, Kohtaro Osakada

Chem. Commun.   50 ( 52 )   6839 - 6842   2014.7

Silica Nanospheres Functionalized by Ferrocene-containing [2]Rotaxane Reviewed

Gilbert Yu, Yuji Suzaki, Yujin Maekawa, Tomoko Abe, Kohtaro Osakada, Toshiyuki Yokoi

Chemistry Letters   43 ( 6 )   953 - 955   2014.6

Diversity in Bonding of Dithiadibenzo[24]crown Ether. Reversible Formation of Pseudorotaxane of Dibenzylammonium and Complexation with PdCl2 Reviewed

Yuji Suzaki, Hiroyuki Nagai, Kohtaro Osakada

CHEMISTRY LETTERS   43 ( 5 )   714 - 716   2014.5

Cationic Hydridotriplatinum Complex with Bridging Germylene Ligands Reviewed

Kimiya Tanaka, Makoto Tanabe, Tomohito Ide, Kohtaro Osakada

ORGANOMETALLICS   33 ( 10 )   2608 - 2612   2014.5

Selective Formation of Ethyl- and/or Propyl-branched Oligoethylene Using Double-decker-type Dinuclear Fe Complexes as the Catalyst Reviewed

Shigenaga Takano, Yuji Takeuchi, Daisuke Takeuchi, Kohtaro Osakada

CHEMISTRY LETTERS   43 ( 4 )   465 - 467   2014.4

A rhomboid-shaped organic host molecule with small binding space. Unsymmetrical and symmetrical inclusion of halonium ions Reviewed

Yuji Suzaki, Takashi Saito, Tomohito Ide, Kohtaro Osakada

DALTON TRANSACTIONS   43 ( 18 )   6643 - 6649   2014.4

Dynamic Properties of Molecular Tweezers with a Bis(2-hydroxyphenyl)pyrimidine Backbone Reviewed

Yoshitaka Tsuchido, Yuji Suzaki, Tomohito Ide, Kohtaro Osakada

CHEMISTRY-A EUROPEAN JOURNAL   20 ( 16 )   4762 - 4771   2014.4

Amphiphilic ferrocenylated alkylpyridinium: the formation of micelles and hydrogels and their disaggregation induced by an external stimulus Reviewed

Yuji Suzaki, Hirotaka Endo, Takahiro Kojima, Kohtaro Osakada

DALTON TRANSACTIONS   42 ( 45 )   16222 - 16230   2013.12

Double-Decker-Type Dinuclear Nickel Catalyst for Olefin Polymerization: Efficient Incorporation of Functional Co-monomers Reviewed

Daisuke Takeuchi, Yuriko Chiba, Shigenaga Takano, Kohtaro Osakada

ANGEWANDTE CHEMIE-INTERNATIONAL EDITION   52 ( 48 )   12536 - 12540   2013.11

Cyclic and linear poly(ferrocenylene alkylene)s synthesized from addition-condensation polymerization of ferrocene with aldehydes Reviewed

Yuji Suzaki, Yusuke Yoshigoe, Kohtaro Osakada

JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY   51 ( 17 )   3627 - 3635   2013.9

Metallohydrogel Formed from Amphiphilic Pd Complex and alpha-Cyclodextrin: Control of Its Sol-Gel Transition Reviewed

Toshiaki Taira, Yuji Suzaki, Kohtaro Osakada

CHEMISTRY LETTERS   42 ( 9 )   1062 - 1064   2013.9

Dipalladium Complexes with Bridging Monoalkyl or Monophenyl Silyl Ligands in the Solid State and in Solution Reviewed

Makoto Tanabe, Atsushi Takahashi, Tetsuyuki Yamada, Kohtaro Osakada

Organometallics   32 ( 6 )   1815 - 1820   2013.3

Introduction of ferrocene-containing [2]rotaxanes onto siloxane, silsesquioxane and polysiloxanes via click chemistry Reviewed

Gilbert Yu, Yuji Suzaki, Tomoko Abe, Kohtaro Osakada

Dalton Trans.   42 ( 5 )   1476 - 1482   2013.2

Nickel-Catalyzed Cyclopolymerization of Hexyl- and Phenylsilanes Reviewed

Tanabe, Makoto, Takahashi, Atsushi, Fukuta, Tomoko, Osakada, Kohtaro

ORGANOMETALLICS   32 ( 4 )   1037 - 1043   2013.2

CCDC 903277: Experimental Crystal Structure Determination Reviewed

Horie M, Suzaki Y, Hashizume D, Abe T, Wu Tiendi, Sassa T, Hosokai T, Osakada K

Cambridge Structural Database   2013

Ring-Opening Reaction of a Pergermylated Platinacyclopentane Forming 1,4-Bis(arenethiolato)tetragermanes Reviewed

Makoto Tanabe, Takashi Deguchi, Kohtaro Osakada

Organometallics   31 ( 21 )   7386 - 7393   2012.11

Preparation and Properties of Perarylated 3,4-Disila-1,5-hexadienes. A Fluorescent Disilane Accommodated in the Crystal Lattice Reviewed

Makoto Tanabe, Ryouhei Yumoto, Kohtaro Osakada, Takanobu Sanji, Masato Tanaka

Organometallics   31 ( 19 )   6787 - 6795   2012.10

Thermally-Induced Phase Transition of Pseudorotaxane Crystals: Changes in Conformation and Interaction of the Molecules and Optical Properties of the Crystals Reviewed

Masaki Horie, Yuji Suzaki, Daisuke Hashizume, Tomoko Abe, Tiendi Wu, Takafumi Sassa, Takuya Hosokai, Kohtaro Osakada

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   134 ( 43 )   17932 - 17944   2012.10

Reactivity Patterns of O2, CO2, Carboxylic Acids, and Triflic Acid with Molybdenum Silyl Hydrido Complexes Bearing Polydentate Phosphinoalkyl–Silyl Ligands: Pronounced Effects of Silyl Ligands on Reactions Reviewed

Makoto Minato, Da-Yang Zhou, Ken-ichiro Sumiura, Yuki Oshima, Shigeki Mine, Takashi Ito, Masaki Kakeya, Kei Hoshino, Takahiro Asaeda, Takushi Nakada, Kohtaro Osakada

Organometallics   31 ( 14 )   4941 - 4949   2012.7

Pd complexes with trans-chelating ligands composed of two pyridyl groups and rigid pi-conjugated backbone Reviewed

Miso Jung, Yuji Suzaki, Takashi Saito, Kyoichi Shimada, Kohtaro Osakada

POLYHEDRON   40 ( 1 )   168 - 174   2012.6

Strained and Unstrained Macrocycles Composed of Carbazole and Butadiyne Units: Electronic State and Optical Properties Reviewed

Tomohito Ide, Sho Sakamoto, Daisuke Takeuchi, Kohtaro Osakada, Shigeru Machida

JOURNAL OF ORGANIC CHEMISTRY   77 ( 10 )   4837 - 4841   2012.5

Reaction of an alkyne with dinickel-diphenylsilyl complexes. An emissive disilane formed via the consecutive Si–C and Si–Si bond-making processes Reviewed

Makoto Tanabe, Ryouhei Yumoto, Kohtaro Osakada

Chemical Communications   48 ( 15 )   2125 - 2125   2012.2

Organometallic Rotaxanes with a Triazole Group in the Axle Component and Their Behavior as Ligands of PtII Complexes Reviewed

Gilbert Yu, Yuji Suzaki, Tomoko Abe, Kohtaro Osakada

Chemistry - An Asian Journal   7 ( 1 )   207 - 213   2012.1

NMR, IR and DFT studies of phenylplatinum complexes with O-monodentate coordinated silsesquioxanate and auxiliary phosphine ligands Reviewed

Neli Mintcheva, Ivelina Georgieva, Tzvetan Mihaylov, Natasha Trendafilova, Makoto Tanabe, Kohtaro Osakada

Journal of Organometallic Chemistry   697 ( 1 )   23 - 32   2012.1

Columnar self-assembly of rhomboid macrocyclic molecules via step-like intermolecular interaction. Crystal formation and gelation Reviewed

Tomohito Ide, Daisuke Takeuchi, Kohtaro Osakada

Chem. Commun.   48 ( 2 )   278 - 280   2012.1

Isomerization Polymerization of Olefins Catalyzed by Ni and Pd Complexes

Osakada Kohtaro, Takeuchi Daisuke

Proceeding of Annual/Fall Meetings of the Japan Petroleum Institute   2012   142 - 142   2012

Cd(II) and Pb(II) complexes of the polyether ionophorous antibiotic salinomycin Reviewed

Juliana Ivanova, Ivayla N Pantcheva, Mariana Mitewa, Svetlana Simova, Makoto Tanabe, Kohtaro Osakada

Chemistry Central Journal   5 ( 1 )   2011.12

Tetrapalladium Complex with Bridging Germylene Ligands. Structural Change of the Planar Pd4Ge3 Core Reviewed

Makoto Tanabe, Naoko Ishikawa, Mai Chiba, Tomohito Ide, Kohtaro Osakada, Tomoaki Tanase

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   133 ( 46 )   18598 - 18601   2011.11

Aromatic Macrocycle Containing Amine and Imine Groups: Intramolecular Charge-Transfer and Multiple Redox Behavior Reviewed

Tomohito Ide, Daisuke Takeuchi, Kohtaro Osakada, Takashi Sato, Masayoshi Higuchi

JOURNAL OF ORGANIC CHEMISTRY   76 ( 22 )   9504 - 9506   2011.11

Synthesis and Properties of Polymer Having Electronegative Terthiophene Pendants Based on Cyclopenta[c]thiophene Reviewed

Yutaka Ie, Atsuki Yoshimura, Daisuke Takeuchi, Kohtaro Osakada, Yoshio Aso

Chemistry Letters   40 ( 9 )   1039 - 1040   2011.9

Dinuclear Palladium and Platinum Complexes with Bridging Silylene Ligands. Preparation Using (Aminosilyl)boronic Ester as the Ligand Precursor and Their Reactions with Alkynes Reviewed

Makoto Tanabe, Jian Jiang, Hideto Yamazawa, Kohtaro Osakada, Toshimichi Ohmura, Michinori Suginome

Organometallics   30 ( 15 )   3981 - 3991   2011.8

[3]Rotaxane-Based Dinuclear Palladium Catalysts for Ring-closure Mizoroki-Heck Reaction Reviewed

Yuji Suzaki, Kyoichi Shimada, Eriko Chihara, Takashi Saito, Yoshitaka Tsuchido, Kohtaro Osakada

ORGANIC LETTERS   13 ( 15 )   3774 - 3777   2011.8

Tweezers-like aromatic molecules and their luminescent properties depending on the structures Reviewed

Yuji Suzaki, Yoshitaka Tsuchido, Kohtaro Osakada

Tetrahedron Letters   52 ( 30 )   3883 - 3885   2011.7

Chemical Properties of Tetragermaplatinacyclopentane. Insertion of an Alkyne into a Pt–Ge Bond and Silylation Caused by H2SiPh2 Reviewed

Makoto Tanabe, Takashi Deguchi, Kohtaro Osakada

Organometallics   30 ( 12 )   3386 - 3391   2011.6

Ge–Ge Bond-Forming Reactions from Bis(germyl)palladium Complexes with Chelating Diphosphine Ligands Reviewed

Makoto Tanabe, Masaya Hanzawa, Kohtaro Osakada

Phosphorus, Sulfur, and Silicon and the Related Elements   186 ( 6 )   1384 - 1388   2011.6

Preparation and reactivity of an O,O-chelating silsesquioxane-palladium complex Reviewed

Tanabe, Makoto, Mutou, Kohji, Mintcheva, Neli, Osakada, Kohtaro

JOURNAL OF ORGANOMETALLIC CHEMISTRY   696 ( 6 )   1211 - 1215   2011.3

Synthesis, anisotropic behaviour and structural changes in somepara-substituted isoflavones: 4′-substituted-7-(4″-decyloxybenzoyloxy)-4H-1-benzopyran-4-ones Reviewed

Guan-Yeow Yeap, Wan-Sinn Yam, Wen-Sheng Chang, Ewa Gorecka, Daisuke Takeuchi, Kohtaro Osakada

Phase Transitions   84 ( 3 )   256 - 268   2011.3

Double Cyclopolymerization of Functionalized Trienes Catalyzed by Palladium Complexes Reviewed

Kenya Motokuni, Takeshi Okada, Daisuke Takeuchi, Kohtaro Osakada

MACROMOLECULES   44 ( 4 )   751 - 756   2011.2

Synthesis and dethreading reaction of a rotaxane-like complex of an octaoxa[22]ferrocenophane with dialkylammonium Reviewed

Yuji Suzaki, Atsuko Takagi, Eriko Chihara, Kohtaro Osakada

Supramolecular Chemistry   23 ( 1-2 )   2 - 8   2011.1

Synthesis, thermal and optical behaviour of non-symmetric liquid crystal dimers α-(4-benzylidene-substituted-aniline-4′-oxy)-ω-[pentyl-4-(4′-phenyl)benzoateoxy]hexane Reviewed

Guan-Yeow Yeap, Huey-Charn Lee, Wan Ahmad Kamil Mahmood, Corrie T. Imrie, Daisuke Takeuchi, Kohtaro Osakada

Phase Transitions   84 ( 1 )   29 - 37   2011.1

Synthesis and Characterization of Platinasilsesquioxane Complexes and Their Reaction with Arylboronic Acid Reviewed

Neli Mintcheva, Makoto Tanabe, Kohtaro Osakada

ORGANOMETALLICS   30 ( 1 )   187 - 190   2011.1

Synthesis, structure and properties of the macrocyclic ferrocenophanes with cyclopentadienyl ligands tethered by oligo(ethylene glycol) chain Reviewed

Yuji Suzaki, Atsuko Takagi, Kohtaro Osakada

JOURNAL OF ORGANOMETALLIC CHEMISTRY   695 ( 23 )   2512 - 2518   2010.11

Cyclopolymerization of Monoterminal 1, 6-Dienes Catalyzed by Pd Complexes Reviewed

Takeshi Okada, Daisuke Takeuchi, Kohtaro Osakada

MACROMOLECULES   43 ( 19 )   7998 - 8006   2010.10

Preparation and Thermal Reaction of Tetrastannapalladacyclopentane. Sn−Sn Bond Formation and Cleavage Reviewed

Makoto Tanabe, Masaya Hanzawa, Kohtaro Osakada

Organometallics   29 ( 16 )   3535 - 3540   2010.8

Cyclopolymerization and Copolymerization of Functionalized 1,6-Heptadienes Catalyzed by Pd Complexes: Mechanism and Application to Physical-Gel Formation Reviewed

Sehoon Park, Takeshi Okada, Daisuke Takeuchi, Kohtaro Osakada

Chemistry - A European Journal   16 ( 29 )   8662 - 8678   2010.8

ChemInform Abstract: Preparation of New Tetrathiafulvalene (TTF) Derivatives with Two Functional Groups at Symmetrical Positions: 2,6-Diiodo-3,7-diphenyl-TTF, 2,6-Bis[2-(trimethylsilyl)ethynyl]-3,7-diphenyl-TTF, and 2,6-Diethynyl-3,7-diphenyl-TTF.

T. SHIMIZU, T. KOIZUMI, I. YAMAGUCHI, K. OSAKADA, T. YAMAMOTO

ChemInform   29 ( 27 )   no - no   2010.6

Hydrogels Composed of Organic Amphiphiles and α-Cyclodextrin: Supramolecular Networks of Their Pseudorotaxanes in Aqueous Media Reviewed

Toshiaki Taira, Yuji Suzaki, Kohtaro Osakada

Chemistry - A European Journal   16 ( 22 )   6518 - 6529   2010.6

Synthesis and characterization of a dinuclear platinum complex with silsesquioxanate ligand Reviewed

Neli Mintcheva, Makoto Tanabe, Kohtaro Osakada, Ivelina Georgieva, Tzvetan Mihailov, Natasha Trendafilova

JOURNAL OF ORGANOMETALLIC CHEMISTRY   695 ( 12-13 )   1738 - 1743   2010.6

Disaggregation Reaction of [2]Pseudorotaxanes Composed of Dibenzo[24]crown-8 and Dialkylammonium Having Isopropyl End Groups Reviewed

Yuji Suzaki, Atsuko Takagi, Kohtaro Osakada

CHEMISTRY LETTERS   39 ( 5 )   510 - 512   2010.5

Reversible Formation and Destruction of Micelles of Amphiphilic Compounds in Aqueous Media. Competition with Pseudorotaxane Formation Reviewed

Yuji Suzaki, Toshiaki Taira, Kohtaro Osakada

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   83 ( 4 )   378 - 384   2010.4

Reactions of Molybdenum Tetrahydrido Complex with Halohydrosilanes Reviewed

Satoru Kuramochi, Yo-hei Kido, Syunsuke Shioda, Makoto Minato, Masaki Kakeya, Kohtaro Osakada

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   83 ( 2 )   165 - 169   2010.2

Laterally Brominated Symmetric Liquid Crystal Trimers with (S)-(-)-2-Methylbutyl-4′-(4″-phenyl)benzoate Exhibiting N* and Blue Phases Reviewed

Guan-Yeow Yeap, Tiang-Chuan Hng, Masato M. Ito, Wan Ahmad Kamil Mahmood, Daisuke Takeuchi, Kohtaro Osakada

Molecular Crystals and Liquid Crystals   515 ( 1 )   215 - 229   2009.12

Thermosensitive hydrogels composed of cyclodextrin pseudorotaxanes. Role of [3]pseudorotaxane in the gel formation Reviewed

Toshiaki Taira, Yuji Suzaki, Kohtaro Osakada

Chemical Communications   ( 45 )   7027 - 7027   2009.12

Rotaxanes of a macrocyclic ferrocenophane with dialkylammonium axle components Reviewed

Yuji Suzaki, Eriko Chihara, Atsuko Takagi, Kohtaro Osakada

Dalton Transactions   ( 44 )   9881 - 9881   2009.11

Selective cyclopolymerization of α,ω-dienes and copolymerization with ethylene catalyzed by Fe and Co complexes Reviewed

Daisuke Takeuchi, Ryuichi Matsuura, Yusuke Fukuda, Kohtaro Osakada

Dalton Transactions   ( 41 )   8955 - 8955   2009.11

Formation and ring expansion of germaplatinacycles via dehydrogenative Ge-Ge and Ge-Pt bond-forming reactions Reviewed

Makoto Tanabe, Masaya Hanzawa, Naoko Ishikawa, Kohtaro Osakada

Organometallics   28 ( 20 )   6014 - 6019   2009.10

Reaction of isocyanides with a molybdenum complex containing a tridentate silyl-phosphine ligand: the Si ligand effect on site preference of the isocyanide ligands Reviewed

Makoto Minato, Gosuke Kikutsuji, Masaki Kakeya, Kohtaro Osakada, Mikio Yamasaki

Dalton Transactions   ( 37 )   7684 - 7684   2009.10

Isomerization Polymerization of 4-Alkylcyclopentenes Catalyzed by Pd Complexes: Hydrocarbon Polymers with Isotactic-Type Stereochemistry and Liquid-Crystalline Properties Reviewed

Takeshi Okada, Daisuke Takeuchi, Atsushi Shishido, Tomiki Ikeda, Kohtaro Osakada

Journal of the American Chemical Society   131 ( 31 )   10852 - 10853   2009.8

Non-Symmetric Liquid Crystal Dimers: High Thermal Stability in Nematic Phase Enhanced by Thiophene-2-Carboxylate Moiety Reviewed

Guan-Yeow Yeap, Tiang-Chuan Hng, Daisuke Takeuchi, Kohtaro Osakada, Wan Ahmad Kamil Mahmood, Masato M. Ito

Molecular Crystals and Liquid Crystals   506 ( 1 )   134 - 149   2009.8

Chirality-Induced Liquid Crystalline Properties of Seven-Ring Trimeric Mesogens Incorporating Dual Chiral Centers Reviewed

Guan-Yeow Yeap, Tiang-Chuan Hng, Wan Ahmad Kamil Mahmood, Ewa Gorecka, Daisuke Takeuchi, Kohtaro Osakada

Molecular Crystals and Liquid Crystals   506 ( 1 )   109 - 133   2009.8

Cyclopolymerization of 9,9-Diallylfluorene Promoted by Ni Complexes. Stereoselective Formation of Six- and Five-Membered Rings during the Polymer Growth Reviewed

Daisuke Takeuchi, Yusuke Fukuda, Sehoon Park, Kohtaro Osakada

MACROMOLECULES   42 ( 16 )   5909 - 5912   2009.8

Structures of Co, Pd and Ni complexes with iminopyridine ligands having an hydroxymethyl or acrylate pendant group Reviewed

Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Polyhedron   28 ( 12 )   2459 - 2465   2009.8

Dialkyl- and diaryl-platinum(II) complexes with secondary phosphines: Preparation, structure and thermal reaction giving the metallopolymer Reviewed

Masaki Kakeya, Makoto Tanabe, Yoshiyuki Nakamura, Kohtaro Osakada

JOURNAL OF ORGANOMETALLIC CHEMISTRY   694 ( 14 )   2270 - 2278   2009.6

Comparative reactivity of triorganosilanes, HSi(OEt)3 and HSiEt3, with IrCl(CO)(PPh3)2. Formation of IrCl(H)2(CO)(PPh3)2 or Ir(H)2(SiEt3)(CO)(PPh3)2 depending on the substituents at Si Reviewed

Yasushi Nishihara, Miwa Takemura, Kohtaro Osakada

Inorganica Chimica Acta   362 ( 8 )   2951 - 2956   2009.6

Electrophilic Substitution of Thiophenes with Arylpalladium(II) and Platinum(II) Complexes: Mechanistic Studies on Palladium-Catalyzed CH Arylation of Thiophenes Reviewed

Atsushi Sugie, Hirotoshi Furukawa, Yuji Suzaki, Kohtaro Osakada, Munetaka Akita, Daiki Monguchi, Atsunori Mori

BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN   82 ( 5 )   555 - 562   2009.5

Ferrocene-containing Side Chain Polyrotaxanes Obtained by Radical Copolymerization of Styrenes with Acrylamide with a [2]Rotaxane Structure Reviewed

Yuji Suzaki, Shintaro Murata, Kohtaro Osakada

CHEMISTRY LETTERS   38 ( 4 )   356 - 357   2009.4

Preparation of Triazole-furnished Ferrocene Derivatives and their Polymer Complexes of Silver(I) Reviewed

Tatsuaki Sakano, Masaki Okano, Kohtaro Osakada

JOURNAL OF INORGANIC AND ORGANOMETALLIC POLYMERS AND MATERIALS   19 ( 1 )   35 - 45   2009.3

Polymerization and copolymerization of functionalized 2-alkoxy-1-methylenecyclopropanes to form new polymers having alkoxy substituents Reviewed

Daisuke Takeuchi, Akihisa Inoue, Fujio Ishimaru, Kohtaro Osakada

Journal of Polymer Science Part A: Polymer Chemistry   47 ( 3 )   959 - 972   2009.2

Planar Tetranuclear and Dumbbell-Shaped Octanuclear Palladium Complexes with Bridging Silylene Ligands Reviewed

Tetsuyuki Yamada, Akane Mawatari, Makoto Tanabe, Kohtaro Osakada, Tomoaki Tanase

Angewandte Chemie International Edition   48 ( 3 )   568 - 571   2009.1

Copolymerization of Hepta-1,6-diene with Ethylene Catalyzed by Cobalt Complexes Reviewed

Daisuke Takeuchi, Ryuichi Matsuura, Kohtaro Osakada

Macromolecular Rapid Communications   29 ( 24 )   1932 - 1936   2008.12

Mono- and Dinuclear Germapalladacycles Obtained via the Ge−Ge Bond Forming Reactions Promoted by Palladium Complexes Reviewed

Makoto Tanabe, Naoko Ishikawa, Masaya Hanzawa, Kohtaro Osakada

Organometallics   27 ( 19 )   5152 - 5158   2008.10

Living Ring-Opening Polymerization of 2-Alkoxy-1-methylenecyclopropanes Initiated by Pd Complexes Reviewed

Daisuke Takeuchi, Akihisa Inoue, Fujio Ishimaru, Kohtaro Osakada

Macromolecules   41 ( 17 )   6339 - 6346   2008.9

Novel Nonsymmetric Trimeric Liquid Crystals Exhibiting Glassy Nematic State at Low Temperatures Reviewed

Guan-Yeow Yeap, Tiang-Chuan Hng, Wan Ahmad Kamil Mahmood, Ewa Gorecka, Daisuke Takeuchi, Kohtaro Osakada

Molecular Crystals and Liquid Crystals   487 ( 1 )   135 - 152   2008.7

Synthesis and molecular structure of asymmetric 2,2′-(4-(alkyloxy)-1,3-phenylene)bis(1-(4-substitutedphenyl)diazene): Crystal structure of 2,2′-(4-(octyloxy)-1,3-phenylene)bis(1-(4-chlorophenyl)diazene) Reviewed

Guan-Yeow Yeap, Chin-Hin Ong, Daisuke Takeuchi, Masaki Kakeya, Kohtaro Osakada, Wan Ahmad Kamil Mahmood, Ono Atsuko, Volkmar Vill

Journal of Molecular Structure   882 ( 1-3 )   1 - 8   2008.6

Synthesis and Phase Behaviour of Some New Isoflavone Derivatives Reviewed

Guan-Yeow Yeap, Wan-Sinn Yam, Masato M. Ito, Yumika Takahashi, Daisuke Takeuchi, Masaki Kakeya, Kohtaro Osakada, Yoshiyuki Nakamura, Wan Ahmad Kamil Mahmood, Peng-Lim Boey, Shafida Abd Hamid, Ewa Gorecka

Ferroelectrics   365 ( 1 )   65 - 77   2008.5

Electrophilic Substitution of Platinum(II) Complexes with Thiophene Derivatives Reviewed

Atsunori Mori, Atsushi Sugie, Hirotoshi Furukawa, Yuji Suzaki, Kohtaro Osakada, Munetaka Akita

Chemistry Letters   37 ( 5 )   542 - 543   2008.5

PdII and PtII Complexes with Amphiphilic Ligands: Formation of Micelles and [5]Rotaxanes with α-Cyclodextrin in Aqueous Solution Reviewed

Toshiaki Taira, Yuji Suzaki, Kohtaro Osakada

Chemistry – An Asian Journal   3 ( 5 )   895 - 902   2008.5

Ligand Exchange of Diplatinum Complexes with Bridging Silyl Ligands Involving Si−H Bond Cleavage and Formation Reviewed

Makoto Tanabe, Daisuke Ito, Kohtaro Osakada

Organometallics   27 ( 10 )   2258 - 2267   2008.5

Synthesis and Phase Behavior of New Isoflavone Derivatives: Crystal Structure of 7-Hexyloxy-3-[4′-(3-methylbutyloxy)phenyl]-4H-1-benzopyran-4-one Reviewed

Guan-Yeow Yeap, Wan-Sinn Yam, Daisuke Takeuchi, Masaki Kakeya, Kohtaro Osakada

Molecular Crystals and Liquid Crystals   482 ( 1 )   87 - 102   2008.3

Synthesis, thermal stabilities, and anisotropic properties of some new isoflavone‐based esters 7‐decanoyloxy‐3‐(4′‐substitutedphenyl)‐4H‐1‐benzopyran‐4‐ones Reviewed

Guan‐Yeow Yeap, Wan‐Sinn Yam, Daisuke Takeuchi, Kohtaro Osakada, Ewa Gorecka, Wan Ahmad Kamil Mahmood, Peng‐Lim Boey, Shafida Abd Hamid

Liquid Crystals   35 ( 3 )   315 - 323   2008.3

[5]Rotaxanes Composed of α-Cyclodextrin and Pd or Pt Complexes with Alkylbipyridinium Ligands Reviewed

Toshiaki Taira, Yuji Suzaki, Kohtaro Osakada

Chemistry Letters   37 ( 2 )   182 - 183   2008.2

Preparation and NMR Studies of Palladium Complexes with a Silsesquioxanate Ligand Reviewed

Makoto Tanabe, Kohji Mutou, Neli Mintcheva, Kohtaro Osakada

Organometallics   27 ( 4 )   519 - 523   2008.2

Room Temperature-Stable Electride as a Synthetic Organic Reagent:  Application to Pinacol Coupling Reaction in Aqueous Media Reviewed

Haritha Buchammagari, Yoshitake Toda, Masahiro Hirano, Hideo Hosono, Daisuke Takeuchi, Kohtaro Osakada

Organic Letters   9 ( 21 )   4287 - 4289   2007.10

Preparation of a zwitterionic trichloroplatinum(II) complex with an alkylbipyridinum ligand and its reaction in dmso-d 6 solution Reviewed

Yuji Suzaki, Toshiaki Taira, Kohtaro Osakada

Transition Metal Chemistry   32 ( 6 )   753 - 756   2007.9

Pd-Catalyzed Polymerization of Dienes that Involves Chain-Walking Isomerization of the Growing Polymer End: Synthesis of Polymers Composed of Polymethylene and Five-Membered-Ring Units Reviewed

Takeshi Okada, Sehoon Park, Daisuke Takeuchi, Kohtaro Osakada

Angewandte Chemie International Edition   46 ( 32 )   6141 - 6143   2007.8

A Crystalline Supramolecular Switch: Controlling the Optical Anisotropy through the Collective Dynamic Motion of Molecules Reviewed

Masaki Horie, Takafumi Sassa, Daisuke Hashizume, Yuji Suzaki, Kohtaro Osakada, Tatsuo Wada

Angewandte Chemie International Edition   46 ( 26 )   4983 - 4986   2007.6

Cyclopolymerization of 1,6-Heptadienes Catalyzed by Iron and Cobalt Complexes:  Synthesis of Polymers with Trans- or Cis-Fused 1,2-Cyclopentanediyl Groups Depending on the Catalyst Reviewed

Daisuke Takeuchi, Ryuichi Matsuura, Sehoon Park, Kohtaro Osakada

Journal of the American Chemical Society   129 ( 22 )   7002 - 7003   2007.6

Dipalladium complex with bridging silylene ligands, [{Pd(dmpe)}(2)(mu-SiPh2)(2)], formed via dimerization of a bis(silyl)palladium complex Reviewed

Tanabe, Makoto, Mawatari, Akane, Osakada, Kohtaro

ORGANOMETALLICS   26 ( 11 )   2937 - 2940   2007.5

Ferrocene-containing [2]- and [3]rotaxanes. Preparation via an end-capping cross-metathesis reaction and electrochemical properties Reviewed

Yuji Suzaki, Kohtaro Osakada

Dalton Transactions   ( 23 )   2376 - 2383   2007.5

Arylpalladium Complexes with a Silsesquioxanate Ligand. Preparation and Structures in the Solid State and in Solution Reviewed

Neli Mintcheva, Makoto Tanabe, Kohtaro Osakada

Organometallics   26 ( 6 )   1402 - 1410   2007.3

Competing supramolecular assembly of amphiphiles to form micelles or pseudorotaxanes Reviewed

Yuji Suzaki, Toshiaki Taira, Daisuke Takeuchi, Kohtaro Osakada

ORGANIC LETTERS   9 ( 5 )   887 - 890   2007.3

Synthesis of Random Copolymers of Pyrrole and Aniline by Chemical Oxidative Polymerization Reviewed

Doo Kyung Moon, Ju-Young Yun, Kohtaro Osakada, Takaki Kambara, Takakazu Yamamoto

Molecular Crystals and Liquid Crystals   464 ( 1 )   177/[759] - 185/[767]   2007.2

Diplatinum complexes with bridging silyl ligands. Si-H bond activation of mu-silyl ligand leading to a new platinum complex with bridging silylene and silane ligands Reviewed

Tanabe, Makoto, Ito, Daisuke, Osakada, Kohtaro

ORGANOMETALLICS   26 ( 3 )   459 - 462   2007.1

Cyclopolymerization of dienes catalyzed by late transition metal complexes

Osakada Kohtaro, Takeuchi Daisuke, Park Sehoon, Matsuura Ryuichi

Proceeding of Annual/Fall Meetings of the Japan Petroleum Institute   2007   45 - 45   2007

Irreversible and reversible formation of a [2]rotaxane containing platinum(ii) complex with an N-alkyl bipyridinium ligand as the axis component Reviewed

Yuji Suzaki, Toshiaki Taira, Kohtaro Osakada

Dalton Transactions   ( 45 )   5345 - 5345   2006.12

Preparation and electrochemical properties of SAM of alkanethiols functionalized with 2-aza[3]ferrocenophane on gold electrode Reviewed

Masaki Horie, Tatsuaki Sakano, Kohtaro Osakada

Journal of Organometallic Chemistry   691 ( 26 )   5935 - 5945   2006.12

Synthesis of macrocyclic polyethers via Ru complex-catalyzed metathesis cyclization and their use as the ring component of rotaxanes Reviewed

Umemiya, Takeshi, Takeuchi, Daisuke, Osakada, Kohtaro

JOURNAL OF ORGANOMETALLIC CHEMISTRY   691 ( 24-25 )   5260 - 5266   2006.12

Synthesis and Structure of Cyclic Oligo(p-phenylene oxide)s,  −(C6H4O)n− (n= 6−10) Reviewed

Daisuke Takeuchi, Itaru Asano, Kohtaro Osakada

The Journal of Organic Chemistry   71 ( 22 )   8614 - 8617   2006.10

Observation of Sequential Electrophilic Substitution of Bromothiophene and Immediate Reductive Elimination of Arylpalladium Complexes Reviewed

Atsushi Sugie, Kei Kobayashi, Yuji Suzaki, Kohtaro Osakada, Atsunori Mori

Chemistry Letters   35 ( 10 )   1100 - 1101   2006.10

Formation, Dynamic Behavior, and Chemical Transformation of Pt Complexes with a Rotaxane-like Structure Reviewed

Yuji Suzaki, Kohtaro Osakada

Chemistry – An Asian Journal   1 ( 3 )   331 - 343   2006.9

Living alternating copolymerization of a methylenecyclopropane derivative with CO to afford polyketone with dihydrophenanthrene-1, 10-diyl groups Reviewed

Takeuchi, Daisuke, Okada, Takeshi, Kuwabara, Junpei, Osakada, Kohtaro

MACROMOLECULAR CHEMISTRY AND PHYSICS   207 ( 17 )   1546 - 1555   2006.9

Early–late heterobimetallic complexes as initiator for ethylene polymerization. Cooperative effect of two metal centers to afford highly branched polyethylene Reviewed

Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Chem. Commun.   ( 36 )   3815 - 3817   2006.8

Copolymerization of 7-Methylenebicyclo[4.1.0]heptane with Carbon Monoxide Initiated by Optically Active Palladium Complexes Reviewed

Daisuke Takeuchi, Ayami Yasuda, Takeshi Okada, Junpei Kuwabara, Kohtaro Osakada, Katsuhiko Tomooka

Helvetica Chimica Acta   89 ( 8 )   1574 - 1588   2006.8

Palladium-complex-promoted living polymerization of 2-alkoxy-1-methylenecyclopropanes. Synthesis of linear and cyclic polymers and block copolymers having alkoxy and vinylidene groups Reviewed

Daisuke Takeuchi, Akihisa Inoue, Kohtaro Osakada: Minoru Kobayashi, Kentaro Yamaguchi

ORGANOMETALLICS   25 ( 17 )   4062 - 4064   2006.8

Preparation and Structure of New Phenylplatinum Complexes Containing Silsesquioxane as a Monodentate or Bidentate Ligand Reviewed

Neli Mintcheva, Makoto Tanabe, Kohtaro Osakada

Organometallics   25 ( 15 )   3776 - 3783   2006.7

Structure and properties of protonated N-alkyl-2-aza[3]ferrocenophanes Reviewed

Yuji Suzaki, Masaki Horie, Tatsuaki Sakano, Kohtaro Osakada

Journal of Organometallic Chemistry   691 ( 15 )   3403 - 3407   2006.7

Chemical Properties of Mononuclear and Dinuclear Phenylplatinum(II) Hydroxo Complexes with Cod Ligands. Transmetalation of Arylboronic Acids, Coupling of the Phenyl Ligands, and Carbonylation Reviewed

Yuji Suzaki, Kohtaro Osakada

Organometallics   25 ( 13 )   3251 - 3258   2006.6

End-capping of Pseudo[2]rotaxane Composed of Alkyl(ferrocenylmethyl)ammonium and Dibenzo[24]crown-8 via Cross Metathesis Reactions Reviewed

Yuji Suzaki, Kohtaro Osakada

Chemistry Letters   35 ( 4 )   374 - 375   2006.4

Pd Complex-Promoted Cyclopolymerization of Functionalized α,ω-Dienes and Copolymerization with Ethylene to Afford Polymers with Cyclic Repeating Units Reviewed

Sehoon Park, Daisuke Takeuchi, Kohtaro Osakada

Journal of the American Chemical Society   128 ( 11 )   3510 - 3511   2006.3

Synthesis and Reactivity of a Platinum(II) Complex with a Chelating Dehydro(arylboronic anhydride) Ligand. Transmetalation of Arylboronic Acid Reviewed

Ivayla Pantcheva, Kohtaro Osakada

Organometallics   25 ( 7 )   1735 - 1741   2006.3

Preparation and Structure of a New Dipalladium Complex with Bridging Diphenylgermyl Ligands. Diverse Reactivities of Pd(PCy3)2and Pt(PCy3)2toward Ph2GeH2 Reviewed

Makoto Tanabe, Naoko Ishikawa, Kohtaro Osakada

Organometallics   25 ( 3 )   796 - 798   2006.1

Pd-catalyzed selective cyclopolymerization of α,ω-dienes and copolymerization with α-olefins

Sehoon Park, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   55 ( 2 )   2703 - 2704   2006

Synthesis and properties of cyclic oligo(p-phenylene oxide)s

Itaru Asano, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   55 ( 1 )   576   2006

Asymmetric alternating copolymerization of methylenecyclopropanes with carbon monoxide by optically active Pd complexes

Takeshi Okada, Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   55 ( 1 )   211   2006

Synthesis of cyclic oligo(aniline)

Tomoko Arie, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   55 ( 1 )   577   2006

Synthesis and micelle formation of linear and cyclic poly(methylenecyclopropanes) having hydrophilic and hydrophobic side chains

Akihisa Inoue, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   55 ( 1 )   604   2006

Synthesis and spectroscopic properties of amphiphilic diblock copolymer bearing a 2,5-diarylthiazole moiety

Junichi Shikuma, Kohtaro Osakada, Motoi Kinoshita, Tomiki Ikeda, Sadayuki Asaoka, Tomokazu Iyoda, Atsunori Mori

Polymer Preprints, Japan   55 ( 1 )   1532   2006

The supramolecular structure change of pseudorotaxane and polarized optical properties

Masaki Horie, Takafumi Sassa, Daisuke Hashizume, Yuii Suzaki, Kohtaro Osakada, Tatsuo Wada

Polymer Preprints, Japan   55 ( 2 )   4743 - 4744   2006

Pd Complex-Promoted Cyclopolymerization of Diallylmalonates Reviewed

Sehoon Park, Daisuke Takeuchi, Kohtaro Osakada

PROGRESS IN OLEFIN POLYMERIZATION CATALYSTS AND POLYOLEFIN MATERIALS, PROCEEDINGS OF THE FIRST ASIAN POLYOLEFIN WORKSHOP   161   201 - 204   2006

Olefin Polymerization by Bimetallic Zr Catalyst. Ligand Effect for Activity and Stereoselectivity Reviewed

Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

PROGRESS IN OLEFIN POLYMERIZATION CATALYSTS AND POLYOLEFIN MATERIALS, PROCEEDINGS OF THE FIRST ASIAN POLYOLEFIN WORKSHOP   161   135 - 140   2006

Selective synthesis and cyclization of oligoanilines

Tomoko Arie, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   55 ( 2 )   2919   2006

Cyclocopolymerization of functionalized dienes with ethylene and α-olefins by Pd catalysts

Sehoon Park, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   55 ( 1 )   210   2006

Ring-opening isomerization of methylenecyclopropanes catalyzed by hydridorhodium(I) complexes Reviewed

Masumi Itazaki, Yasushi Nishihara, Hisami Takimoto, Chikako Yoda, Kohtaro Osakada

Journal of Molecular Catalysis A: Chemical   241 ( 1-2 )   65 - 71   2005.11

Preparation of Pd(PPh2H)2(PPh3)2 and its Role as a Precursor of a Dinuclear Complex with Bridging Phosphide Ligands Reviewed

Masumi Itazaki, Yasushi Nishihara, Kohtaro Osakada

Transition Metal Chemistry   30 ( 7 )   828 - 830   2005.10

Copolymerization of Ethylene with Methylenecyclopropanes Promoted by Cobalt and Nickel Complexes Reviewed

Daisuke Takeuchi, Kouhei Anada, Kohtaro Osakada

Bulletin of the Chemical Society of Japan   78 ( 10 )   1868 - 1878   2005.10

Hexanuclear Pt complexes composed of two cyclic triplatinum units connected with 1,4-diphenylene and 1,1′-ferrocenylene spacer Reviewed

Masumi Itazaki, Osamu Kitami, Makoto Tanabe, Yasushi Nishihara, Kohtaro Osakada

Journal of Organometallic Chemistry   690 ( 17 )   3957 - 3962   2005.9

Theoretical Study of Silyl-Bridged Dinuclear Palladium(I) and Platinum(I) Complexes, M2(μ-η2-H···SiH2)2(PH3)2(M = Pd or Pt). New Insight into the Bonding Nature Reviewed

Shingo Nakajima, Michinori Sumimoto, Yoshihide Nakao, Hirofumi Sato, Shigeyoshi Sakaki, Kohtaro Osakada

Organometallics   24 ( 16 )   4029 - 4038   2005.8

Selective C–C Bond Activation of 2-Aryl-1-methylenecyclopropanes Promoted by Ir(I) and Rh(I) Hydrido Complexes. Mechanism of Ring-Opening Isomerization of the Strained Molecules Reviewed

Yasushi Nishihara, Chikako Yoda, Masumi Itazaki, Kohtaro Osakada

Bulletin of the Chemical Society of Japan   78 ( 8 )   1469 - 1480   2005.8

Chemical and Electrochemical Formation of Pseudorotaxanes Composed of Alkyl(ferrocenylmethyl)ammmonium and Dibenzo[24]crown-8 Reviewed

Masaki Horie, Yuji Suzaki, Kohtaro Osakada

Inorganic Chemistry   44 ( 16 )   5844 - 5853   2005.8

Arylplatinum Complexes with Arylboronate Ligands. Their Preparation, Structure, and Relevance to Transmetalation Reviewed

Ivayla Pantcheva, Yasushi Nishihara, Kohtaro Osakada

Organometallics   24 ( 16 )   3815 - 3817   2005.8

Dinuclear Pt(II) and Pd(I) Complexes with Bridging PPh2Ligands from the Reaction of PPh2H with Zero-Valent Complexes of These Metals Reviewed

Makoto Tanabe, Masumi Itazaki, Osamu Kitami, Yasushi Nishihara, Kohtaro Osakada

Bulletin of the Chemical Society of Japan   78 ( 7 )   1288 - 1290   2005.7

Zr/Zr and Zr/Fe Dinuclear Complexes with Flexible Bridging Ligands. Preparation by Olefin Metathesis Reaction of the Mononuclear Precursors and Properties as Polymerization Catalysts Reviewed

Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Organometallics   24 ( 11 )   2705 - 2712   2005.5

Association oftrans-[PdCl2(NH=CPh2-κN)2] via Intermolecular N–H···Cl Hydrogen Bonding in the Solid State and in Solution Reviewed

Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Bulletin of the Chemical Society of Japan   78 ( 4 )   668 - 670   2005.4

Alternating Copolymerization of Ethylene with 7-Methylenebicyclo[4.1.0]heptane Promoted by the Cobalt Complex. Highly Regulated Structure and Thermal Rearrangement of the Obtained Copolymer Reviewed

Daisuke Takeuchi, Kohtaro Osakada

Macromolecules   38 ( 5 )   1528 - 1530   2005.3

Azaferrocenophanes with Azobenzene-Containing Ligands ? Protonation and Electrochemical Oxidation of the Molecule Influences the Absorption Spectra andcis?trans Isomerization of the Azobenzene Group Reviewed

Tatsuaki Sakano, Masaki Horie, Kohtaro Osakada, Hidenobu Nakao

European Journal of Inorganic Chemistry   2005 ( 4 )   644 - 652   2005.2

Synthesis and properties of Zr–Co heterodinuclear complexes with a bridging bis(cyclopentadienyl) ligand Reviewed

Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Journal of Organometallic Chemistry   690 ( 2 )   269 - 275   2005.1

Cage-Type Hexanuclear Platinum(0) Clusters with Diphosphine and Isocyanide Ligands Encapsulating Two Mercury(0) Atoms Reviewed

Tomoaki Tanase, Eri Goto, Hiroe Takenaka, Takashi Horiuchi, Yasuhiro Yamamoto, Junpei Kuwabara, Kohtaro Osakada

Organometallics   24 ( 2 )   234 - 244   2005.1

Diarylpalladium Complexes with a Cis Structure. Formation via Transmetalation of Arylboronic Acids with an Aryliodopalladium Complex and Intramolecular Coupling of the Aryl Ligands, Affording Unsymmetrical Biaryls Reviewed

Kohtaro Osakada, Hiroyuki Onodera, Yasushi Nishihara

Organometallics   24 ( 2 )   190 - 192   2005.1

Olefin polymerization catalyzed by bimetallic zirconium complexes

Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   54 ( 1 )   316   2005

Dynamic behavior and transformation of a rotaxane containing carboxylate platinum(II) complex as the axis component

Yuji Suzaki, Kohtaro Osakada

Polymer Preprints, Japan   54 ( 2 )   2655   2005

Cyclization polymerization of diallylmalonates and copolymerization with ethylene catalyzed by palladium complexes

Sehoon Park, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   54 ( 2 )   2570   2005

Cyclic poly(methylenecyclopropane)s with various of side chains and controlled synthesis of block copolymer

Akihisa Inoue, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   54 ( 2 )   2536   2005

Synthesis of cyclic oligo(p-phenylene oxide) I. Synthesis by stepwise coupling reaction and structure analysis of cyclic oligo(p-phenylene oxide)

Itaru Asano, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   54 ( 2 )   2628   2005

Synthesis of cyclic oligo(p-phenylene oxide) II. Regio- and stereo-controlled synthesis of substituted cyclic oligo(p-phenylene oxide)

Tomoko Arie, Itaru Asano, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   54 ( 2 )   2629   2005

Controlled synthesis of cyclic oligo(p-phenylene oxide)

Daisuke Takeuchi, Tomoko Arie, Itaru Asano, Kohtaro Osakada

Polymer Preprints, Japan   54 ( 2 )   2831 - 2832   2005

Ethylene and α-olefin polymerization catalyzed by heterodinuclear complexes

Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   54 ( 2 )   2531   2005

Pd-catalyzed alternating copolymerization of a methylenecyclopropane having biphenyl moiety and CO

Takeshi Okada, Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   54 ( 1 )   314   2005

Polymer reaction of poly (alkoxymethylenecyclpropropane)s and synthesis of macrocyclic polymer

Akihisa Inoue, Daisuke Takeuchi, Kohtaro Osakada

Polymer Preprints, Japan   54 ( 1 )   315   2005

C−C and C−H Bond Activation of Dialkylmethylenecyclopropane Promoted by Rhodium and Iridium Complexes. Preparation and Structures of M(η1:η2-CH2CR2CHCH2)(CO)(PPh3)2andtrans-M(CHCHCMeR2)(CO)(PPh3)2(M = Rh, Ir, R = CH2CH2Ph) Reviewed

Masumi Itazaki, Chikako Yoda, Yasushi Nishihara, Kohtaro Osakada

Organometallics   23 ( 23 )   5402 - 5409   2004.11

Preparation and Properties of Cp2Zr(μ-NCAr2)2PdCl(Me), New Zr/Pd Heterobimetallic Complexes with Bridging Alkylideneamido Ligands Reviewed

Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Organometallics   23 ( 21 )   5092 - 5095   2004.10

Transmetalation of Phenylplatinum(II) Complex. Isolation and Characterization of a Dinuclear Intermediate in Intermolecular Phenyl Ligand Transfer Reviewed

Yuji Suzaki, Kohtaro Osakada

Organometallics   23 ( 21 )   5081 - 5084   2004.10

Copolymerization of Carbon Monoxide with Cyclic Compounds Catalyzed by Transition Metal Complexes Reviewed

Kohtaro Osakada, Daisuke Takeuchi

Catalysis Surveys from Asia   8 ( 3 )   199 - 209   2004.9

Palladium−Platinum Heterobimetallic Complexes with Bridging Silicon Ligands. Structure and Reaction with Isonitrile to Afford a Platinacyclopentane Containing Si, N, and C Atoms Reviewed

Tetsuyuki Yamada, Makoto Tanabe, Kohtaro Osakada, Yong-Joo Kim

Organometallics   23 ( 20 )   4771 - 4777   2004.9

Solid–gas carbonylation of aryloxide rhodium(I) complexes: stepwise reaction forming Vaska-type complexes Reviewed

Kohtaro Osakada, Hidetake Ishii

Inorganica Chimica Acta   357 ( 10 )   3007 - 3013   2004.7

Syntheses of Dinuclear and Trinuclear Hydridoplatinum Complexes with Bridging Phosphido Ligands [Pt2H2(μ-PR2)2(PEt3)2] (R =tBu, Ph) and [Pt3H2(μ-PPh2)4(PEt3)2]. Characterization of the Triangular Intermediate [Pt3H(μ-PPh2)3(PEt3)3] and Its Chemical Properties Reviewed

Masumi Itazaki, Yasushi Nishihara, Kohtaro Osakada

Organometallics   23 ( 7 )   1610 - 1621   2004.3

Formation of an η3-allyl and a cyclic γ-hydroxyalkyl complex of molybdenum from reaction of MoH2(η5-cyclopentadienyl)2 with homoallyl alcohol Reviewed

Makoto Minato, Susumu Hiratsuka, Ryoko Sekimizu, Takashi Ito, Kohtaro Osakada

Journal of Organometallic Chemistry   689 ( 6 )   1025 - 1028   2004.3

Formation of pseudorotaxane induced by electrochemical oxidation of ferrocene-containing axis molecule in the presence of crown ether Reviewed

M Horie, Y Suzaki, K Osakada

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   126 ( 12 )   3684 - 3685   2004.3

Cobalt-Complex-Catalyzed Copolymerization of Ethylene with 2-Aryl-1-methylenecyclopropanes Reviewed

Daisuke Takeuchi, Kouhei Anada, Kohtaro Osakada

Angewandte Chemie International Edition   43 ( 10 )   1233 - 1235   2004.2

MAO-catalyzed Friedel–Crafts reactions of toluene with chloroalkanes and with propylene Reviewed

Junpei Kuwabara, Daisuke Takeuchi, Kohtaro Osakada

Journal of Molecular Catalysis A: Chemical   208 ( 1-2 )   39 - 44   2004.2

Insertion of Alkynes into the Pt?Si Bond of Silylplatinum Complexes Leading to the Formation of 4-Sila-3-platinacyclobutenes and 5-Sila-2-platina-1,4-cyclohexadienes Reviewed

Makoto Tanabe, Kohtaro Osakada

Chemistry - A European Journal   10 ( 2 )   416 - 424   2004.1

Synthesis and structural characterization of the first unsymmetrical diarylpalladium complex trans-Pd(C6F5)(2,4,6-C6F3H2)(PEt3)2, derived from transmetallation between 2,4,6-trifluorophenylboronic acid and trans-Pd(C6F5)I(PEt3)2 Reviewed

Yasushi Nishihara, Hiroyuki Onodera, Kohtaro Osakada

Chemical Communications   ( 2 )   192 - 192   2004.1

Intermolecular Phenyl Ligand Transfer of Pt(II) and Pd(II) Complexes with Bidentate Ligand Reviewed

Yuji Suzaki, Kohtaro Osakada

Bulletin of the Chemical Society of Japan   77 ( 1 )   139 - 145   2004.1

A New Azaferrocenophane with an Azobenzene-Containing Ligand. Remote Control of Photoisomerization of the Azobenzene Group by Redox of the Iron Center Reviewed

Masaki Horie, Tatsuaki Sakano, Kohtaro Osakada, Hidenobu Nakao

Organometallics   23 ( 1 )   18 - 20   2004.1

Coordination Polymerization of Dienes, Allenes, and Methylenecycloalkanes

Kohtaro Osakada, Daisuke Takeuchi

Polymer Synthesis   137 - 194   2004

Cationic Rh complexes with novel spiro tetraarylpentaborate anions prepared from arylboronic acids and aryloxorhodium complexes Reviewed

Yasushi Nishihara, Kyoko Nara, Yasuhiro Nishide, Kohtaro Osakada

Dalton Transactions   ( 9 )   1366 - 1366   2004

RhPt heterobimetallic and diplatinum complexes with bridging silyl and silylene ligands Reviewed

Makoto Tanabe, Kohtaro Osakada

Inorganica Chimica Acta   350   201 - 208   2003.7

Pd−Pt Heterobimetallic and Pd−Pd or Pt−Pt Dinuclear Complexes with Bridging Diphenylsilyl Ligands Reviewed

Makoto Tanabe, Tetsuyuki Yamada, Kohtaro Osakada

Organometallics   22 ( 11 )   2190 - 2192   2003.5

Cyclization of Dinuclear Aryl- and Aroylpalladium Complexes with the Metal Centers Tethered by an Oligo(ethylene oxide) Chain. Intramolecular Transmetalation of the Cationic Dinuclear Arylpalladium Complexes Reviewed

Yuji Suzaki, Kohtaro Osakada

Organometallics   22 ( 11 )   2193 - 2195   2003.5

Reaction of AlMe3with Heterobimetallic Zr/Rh Complexes Having a C5H4-CMe2-Ind (or C5H4-CMe2-C5H4) Ligand. Formation of Complexes with a Zr−Indenyl (or Zr−Cyclopentadienyl) σ-Bond Reviewed

Daisuke Takeuchi, Junpei Kuwabara, Kohtaro Osakada

Organometallics   22 ( 11 )   2305 - 2311   2003.5

Pd Complex-catalyzed copolymerization of a bicyclic methylenecyclopropane with carbon monoxide to afford a new polyketone Reviewed

Daisuke Takeuchi, Ayami Yasuda, Kohtaro Osakada

Dalton Trans.   ( 10 )   2029 - 2035   2003.4

Ring-Opening Copolymerization of 2-Aryl-1-methylenecyclopropanes with Carbon Monoxide Initiated by Pd–bpy Complexes Reviewed

Sunwook Kim, Daisuke Takeuchi, Kohtaro Osakada

Macromolecular Chemistry and Physics   204 ( 4 )   666 - 673   2003.3

Facile synthesis of 2,5-diarylthiazoles via palladium-catalyzed tandem C-H substitutions. Design of tunable light emission and liquid crystalline characteristics Reviewed

A Mori, A Sekiguchi, K Masui, T Shimada, M Horie, K Osakada, M Kawamoto, T Ikeda

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   125 ( 7 )   1700 - 1701   2003.2

A Liquid Crystalline Polyketone Prepared from Allene Having an Azobenzene Substituent and Carbon Monoxide Reviewed

Yasumasa Takenaka, Kohtaro Osakada, Makoto Nakano, Tomiki Ikeda

Macromolecules   36 ( 4 )   1414 - 1416   2003.2

Preparation, Structures, and Electrochemical Properties of Silaplatinacyclohexadienes with Ferrocenyl Pendant Groups Reviewed

Makoto Tanabe, Masaki Horie, Kohtaro Osakada

Organometallics   22 ( 2 )   373 - 376   2003.1

Pd complex-catalyzed ring-opening polymerization of 2-aryl-1-methylene-cyclopropanes Reviewed

S Kim, D Takeuchi, K Osakada

PERSPECTIVES IN ORGANOMETALLIC CHEMISTRY   ( 287 )   306 - 316   2003

Alternating copolymerization of propylene oxide with carbon monoxide catalyzed by Co complex and Co/Ru complexes Reviewed

Daisuke Takeuchi, Yoshihiko Sakaguchi, Kohtaro Osakada

Journal of Polymer Science Part A: Polymer Chemistry   40 ( 24 )   4530 - 4537   2002.12

Addition Polymerization of 2-Aryl- and 2-Ethoxycarbonyl-1-methylenecyclopropanes Promoted by Nickel Complexes Reviewed

Daisuke Takeuchi, Kouhei Anada, Kohtaro Osakada

Macromolecules   35 ( 26 )   9628 - 9633   2002.12

Disproportionation of PtPh(CH2COMe)(cod) and Conproportionation of PtPh2(cod) and Pt(CH2COMe)2(cod) via Intermolecular Phenyl Ligand Transfer Reviewed

Yuji Suzaki, Takeyoshi Yagyu, Yuichi Yamamura, Atsunori Mori, Kohtaro Osakada

Organometallics   21 ( 24 )   5254 - 5258   2002.11

Platinum Complex-Catalyzed Hydrosilylation and Isomerization of Methylenecyclopropane Derivatives. Effect of Structures of the Substrate and Catalyst Reviewed

Masumi Itazaki, Yasushi Nishihara, Kohtaro Osakada

The Journal of Organic Chemistry   67 ( 20 )   6889 - 6895   2002.10

Tetraarylpentaborates, [B5O6Ar4]-(Ar = C6H4OMe-4, C6H3Me2-2,6):  Their Formation from the Reaction of Arylboronic Acids with an Aryloxorhodium Complex, Structure, and Chemical Properties Reviewed

Yasushi Nishihara, Kyoko Nara, Kohtaro Osakada

Inorganic Chemistry   41 ( 16 )   4090 - 4092   2002.8

Chemical Properties of Cationic Phenylplatinum(II) Complexes with a 2,2‘-Bipyridine Ligand. Insertion of CO and Allene into the Pt−C Bond and Oxidative Addition of MeI Reviewed

Takeyoshi Yagyu, Yuji Suzaki, Kohtaro Osakada

Organometallics   21 ( 10 )   2088 - 2094   2002.5

Structure of 4-Sila-3-platinacyclobutene and Its Formation via Pt-Promoted γ-Si−H Bond Activation of 3-Sila-1-propenylplatinum Precursor Reviewed

Makoto Tanabe, Kohtaro Osakada

Journal of the American Chemical Society   124 ( 17 )   4550 - 4551   2002.5

Ni-complex-catalysed addition polymerisation of 2-phenyl-1-methylenecylopropane to afford a polymer with cyclopropylidene groups Reviewed

Daisuke Takeuchi, Kohtaro Osakada

Chemical Communications   ( 6 )   646 - 647   2002.3

Structure and Properties of Halogeno(hydrido)(triorganosilyl)rhodium(III) Complexes, RhX(H)(SiR1nR23-n)(PPh3)2(X = Cl, I; R1= OSiMe3, OEt, R2= Me). Influence of the Alkoxy Groups and Halo Ligand on Stability and Reactivity of the Complexes Reviewed

Yasushi Nishihara, Miwa Takemura, Kohtaro Osakada

Organometallics   21 ( 5 )   825 - 831   2002.3

Platinum complex-catalyzed hydrosilylation of 2,2-diaryl-1-methylenecyclopropane affording (silylmethyl)cyclopropane Reviewed

Yasushi Nishihara, Masumi Itazaki, Kohtaro Osakada

Tetrahedron Letters   43 ( 11 )   2059 - 2061   2002.3

Silicone as an Organosilicon Reagent 2. Rhodium-catalyzed Conjugate Addition of the Silicone Reagent to α,β-Unsaturated Carbonyl Compounds Reviewed

Tooru Koike, Xiaoli Du, Atsunori Mori, Kohtaro Osakada

Synlett   2002 ( 02 )   0301 - 0303   2002.2

Pd-Catalyzed Ring-Opening Copolymerization of 2-Aryl-1-methylenecyclopropanes with CO to Afford Polyketones via Alternating Insertion of the Two Monomers and C−C Bond Activation of the Three-Membered Ring Reviewed

Sunwook Kim, Daisuke Takeuchi, Kohtaro Osakada

Journal of the American Chemical Society   124 ( 5 )   762 - 763   2002.2

Rhodium-catalyzed Addition of Aryl- and Alkenylsilanediols to Aldehydes Reviewed

Toshinari Fujii, Tooru Koike, Atsunori Mori, Kohtaro Osakada

Synlett   2002 ( 02 )   0298 - 0300   2002.2

Rhodium-catalyzed Hydroarylation and -Alkenylation of Alkynes with Silanediols. A Crucial Role of the Hydroxy Group for the Catalytic Reaction Reviewed

Toshinari Fujii, Tooru Koike, Atsunori Mori, Kohtaro Osakada

Synlett   2002 ( 02 )   0295 - 0297   2002.2

Crystal and Solution Structures of Photochromic Spirobenzothiopyran. First Full Characterization of the Meta-Stable Colored Species Reviewed

Masafumi Hirano, Kohtaro Osakada, Hiroyuki Nohira, Akira Miyashita

The Journal of Organic Chemistry   67 ( 2 )   533 - 540   2002.1

Rh Complex Catalyzed Alternating Copolymerization of Alkylallene or Aryloxoallene with Carbon Monoxide: Influence of Monomer Structures on the Reaction Rate Reviewed

Yasumasa Takenaka, Kohtaro Osakada

Macromolecular Chemistry and Physics   202 ( 18 )   3571 - 3578   2001.12

Further Investigation on Preparation, Structure and Electrochemical Properties ofN-Alkyl- andN-Aryl-2-aza-[3]-ferrocenophanes Reviewed

Tatsuaki Sakano, Masaki Horie, Kohtaro Osakada, Hidenobu Nakao

Bulletin of the Chemical Society of Japan   74 ( 11 )   2059 - 2065   2001.11

Nieuwland catalysts: investigation of structure in the solid state and in solution and performance in the dimerization of acetylene Reviewed

Ken-ichiro Nishiwaki, Mineto Kobayashi, Takao Takeuchi, Kazumasa Matuoto, Kohtaro Osakada

Journal of Molecular Catalysis A: Chemical   175 ( 1-2 )   73 - 81   2001.10

Hydroxorhodium complex-catalyzed carbon-carbon bond-forming reactions of silanediols with alpha,beta-unsaturated carbonyl compounds. Mizoroki-Heck-type reaction vs conjugate addition Reviewed

A Mori, Y Danda, T Fujii, K Hirabayashi, K Osakada

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY   123 ( 43 )   10774 - 10775   2001.10

Four-, Five-, and Six-Membered Silaplatinacycles Obtained from the Reaction of an Arylallene with Pt(SiHPh2)2(PMe3)2 Reviewed

Makoto Tanabe, Hideto Yamazawa, Kohtaro Osakada

Organometallics   20 ( 22 )   4451 - 4453   2001.10

Rh–Pt Heterobimetallic Complexes with Unsymmetrically Bridging Organosilyl Ligands: Crystal Structure and Dynamic Behavior in Solution Reviewed

Makoto Tanabe, Kohtaro Osakada

Chemistry Letters   30 ( 10 )   962 - 963   2001.10

Vinyl- and Dienylpalladium Complexes Formed via Insertion of Alkyne into Sterically Hindered Pd–Aryl Bonds Reviewed

Takeyoshi Yagyu, Kohtaro Osakada

Bulletin of the Chemical Society of Japan   74 ( 8 )   1435 - 1436   2001.8

Ring-Opening Polymerization of 1-Methylene-2-phenylcyclopropane Catalyzed by a Pd Complex To Afford Regioregulated Polymers Reviewed

Daisuke Takeuchi, Sunwook Kim, Kohtaro Osakada

Angewandte Chemie International Edition   40 ( 14 )   2685 - 2688   2001.7

Polyacetylenes with Ferrocenophane Pendant Groups: Synthesis by Rh-Complex-Catalyzed Polyaddition, Characterization and Properties Reviewed

Tatsuaki Sakano, Kohtaro Osakada

Macromolecular Chemistry and Physics   202 ( 9 )   1829 - 1836   2001.6

Reactions of HOSiMe2Ar with PtPPh3 complexes leading to SiC bond activation or formation of a siloxoplatinum complex Reviewed

Neli Mintcheva, Yasushi Nishihara, Atsunori Mori, Kohtaro Osakada

Journal of Organometallic Chemistry   629 ( 1-2 )   61 - 67   2001.6

Double Addition of the Si−H Bonds of Pt(SiHPh2)2(PMe3)2to Nitriles to Afford 3-Aza-2,4-disilaplatinacyclobutanes Reviewed

Makoto Tanabe, Kohtaro Osakada

Organometallics   20 ( 10 )   2118 - 2120   2001.5

Hydrido−Rhodium(I) and −Iridium(I) Complex Promoted Ring-Opening Isomerization of Unsymmetrically Substituted Methylenecyclopropanes into 1,3-Dienes. Structures of Intermediates and Reaction Pathways Reviewed

Yasushi Nishihara, Chikako Yoda, Kohtaro Osakada

Organometallics   20 ( 11 )   2124 - 2126   2001.5

Cationic Arylpalladium Complexes with Chelating Diamine Ligands, [PdAr(N−N)(solv)]BF4(N−N=N,N,N‘,N‘-tetramethylethylenediamine, 2,2‘-bipyridine, 4,4‘-dimethyl-2,2‘-bipyridine). Preparation, Intermolecular Coupling of the Aryl Ligands, and Insertion of Alkyne and Allene into the Pd−C Bond Reviewed

Takeyoshi Yagyu, Makiko Hamada, Kohtaro Osakada, Takakazu Yamamoto

Organometallics   20 ( 6 )   1087 - 1101   2001.3

Si−C Bond Activation of ArMe2SiOH Promoted by a Bromoplatinum(II) Complex and Ag2O. Aryl Group Transfer from Silicon to Platinum Reviewed

Neli Mintcheva, Yasushi Nishihara, Makoto Tanabe, Kazunori Hirabayashi, Atsunori Mori, Kohtaro Osakada

Organometallics   20 ( 6 )   1243 - 1246   2001.3

Rhodium- and ruthenium-complex-catalyzed condensation of ferrocene-containing dithiols and diols with diarylsilanes to give silaferrocenophanes and ferrocene polymers Reviewed

Isao Yamaguchi, Hidetake Ishii, Tatsuaki Sakano, Kohtaro Osakada, Takakazu Yamamoto

Applied Organometallic Chemistry   15 ( 3 )   197 - 203   2001.3

Reaction of alkynylsilanes with CuCl in polar solvents leading to alkynyl group transfer from Si to Cu Reviewed

Yasushi Nishihara, Miwa Takemura, Atsunori Mori, Kohtaro Osakada

Journal of Organometallic Chemistry   620 ( 1-2 )   282 - 286   2001.2

A Triangular Triplatinum Complex with Electron-Releasing SiPh2 and PMe3 Ligands: [{Pt(μ-SiPh2)(PMe3)}3] Reviewed

Kohtaro Osakada, Makoto Tanabe, Tomoaki Tanase

Angewandte Chemie   39 ( 22 )   4053 - 4055   2000.11

Pseudopolyrotaxane composed of an azobenzene polymer and γ-cyclodextrin. Reversible and irreversible photoisomerization of the azobenzene groups in the polymer chain Reviewed

Isao Yamaguchi, Kohtaro Osakada, Takakazu Yamamoto

Chemical Communications   ( 14 )   1335 - 1336   2000.7

Synthesis and Properties of Europium Complex of Polybenzimidazole Containing N-Eu Bond Reviewed

Isao Yamaguchi, Masakazu Arai, Kohtaro Osakada, Takakazu Yamamoto

Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals   342 ( 1 )   57 - 62   2000.5

Synthesis of linear and branched polyketones from the Rh complex catalyzed living alternating copolymerization of (4-alkylphenyl)allene with CO Reviewed

Kohtaro Osakada, Yasumasa Takenaka, Jun-Chul Choi, Isao Yamaguchi, Takakazu Yamamoto

Journal of Polymer Science Part A: Polymer Chemistry   38 ( 9 )   1505 - 1511   2000.5

Single and Multiple Insertion of Carbon−Carbon Triple Bonds into the Palladium−Aryl Bond of Cationic and Neutral Arylpalladium Complexes with a 2,2‘-Bipyridine Ligand Reviewed

Takeyoshi Yagyu, Kohtaro Osakada, Maurice Brookhart

Organometallics   19 ( 11 )   2125 - 2129   2000.5

π-Allyliridium(I) complexes, Ir(η 3 -CH 2 CHCHAr)(CO)(PPh 3 ) 2 (Ar=Ph, C 6 H 4 Me- p , C 6 H 4 Br- p ). Comparison of their structures and chemical properties with analogous Rh complexes Reviewed

Kohtaro Osakada, Masayuki Kimura, Jun-Chul Choi

Journal of Organometallic Chemistry   602 ( 1-2 )   144 - 150   2000.5

Synthesis of polyurea rotaxanes using a cyclodextrin complex of α,ω-diamine Reviewed

Isao Yamaguchi, Kei-ichiro Miya, Kohtaro Osakada, Takakazu Yamamoto

Polymer Bulletin   44 ( 3 )   247 - 253   2000.4

Kinetic Results and Reaction Pathways of Intermolecular Thiolato Ligand Migration between Titanocene Complexes and from Cp2TiX(SAr) (X = Cl, SAr) to PtCl(Me)(cod) (cod =η2,η2-1,5-Cyclooctadiene) Reviewed

Kohtaro Osakada, Tomoya Hosoda, Takakazu Yamamoto

Bulletin of the Chemical Society of Japan   73 ( 4 )   923 - 930   2000.4

A Novel Crown Ether Stopping Group for Side Chain Polyrotaxane. Preparation of Side Chain Polybenzimidazole Rotaxane Containing Alkyl Side Chain Ended by Crown Ether−ONa Group Reviewed

Isao Yamaguchi, Kohtaro Osakada, Takakazu Yamamoto

Macromolecules   33 ( 7 )   2315 - 2319   2000.4

Intermolecular Alkynyl Ligand Transfer in Palladium(II) and Platinum(II) Complexes with −C⋮CCOOR and −C⋮CPh Ligands. Relative Stability of the Alkynyl Complexes and Conproportionation of Dialkynyl and Diiodo Complexes of These Metals Reviewed

Kohtaro Osakada, Makiko Hamada, Takakazu Yamamoto

Organometallics   19 ( 4 )   458 - 468   2000.2

Dipalladium complexes with bridging diorganosilyl ligands. Synthesis, structure, and properties of [LPd(μ-SiH(R)Ph)]2 (R = Ph or Me; L = PMe3, PEt3 or PMePh2) Reviewed

Yong-Joo Kim, Sang-Chul Lee, Jong-Il Park, Kohtaro Osakada, Jun-Chul Choi, Takakazu Yamamoto

Journal of the Chemical Society, Dalton Transactions   ( 3 )   417 - 421   2000.2

Preparation and Structure of [RhCl(nbd)(dmap)] (nbd = bicyclo[2.2.1]hepta-2,5-diene; dmap = 4-(N,N-dimethylamino)pyridine) Reviewed

Yasumasa Takenaka, Kohtaro Osakada

Bulletin of the Chemical Society of Japan   73 ( 1 )   129 - 130   2000.1

Preparation and characterization of various N-substituted-2-aza-[3]-ferrocenophanes and their chemical and electrochemical properties Reviewed

Tatsuaki Sakano, Hidetake Ishii, Isao Yamaguchi, Kohtaro Osakada, Takakazu Yamamoto

Inorganica Chimica Acta   296 ( 1 )   176 - 182   1999.12

1 : 2 Polycondensation of 3,3′,4,4′-Biphenyltetramine and 1,1′-Ferrocenedimethanol Catalyzed by [RuCl2(PPh3)3] to Give Polybenzimidazole Containing Ferrocenylene Groups Reviewed

Isao Yamaguchi, Kohtaro Osakada, Takakazu Yamamoto, Motomi Katada

Bulletin of the Chemical Society of Japan   72 ( 11 )   2557 - 2562   1999.11

N-Substituted 2-aza-[3]-ferrocenophanes. New synthesis using RuCl2(PPh3)3 catalyzed condensation, structure, and electrochemical behavior Reviewed

Isao Yamaguchi, Tatsuaki Sakano, Hidetake Ishii, Kohtaro Osakada, Takakazu Yamamoto

Journal of Organometallic Chemistry   584 ( 1 )   213 - 216   1999.7

Cyclodextrin Complexes of Bisepoxide and ofα,ω-Diamine in Several Molar Ratios. Preparation and Characterization in the Solid State Reviewed

Isao Yamaguchi, Hidetake Ishii, Kohtaro Osakada, Takakazu Yamamoto, Shin-ichi Fukuzawa

Bulletin of the Chemical Society of Japan   72 ( 7 )   1541 - 1545   1999.7

Preparation of poly(alkylenebenzimidazole) by ruthenium complex catalyzed polycondensation of 3,3?-diaminobenzidine with ?,?-diols Reviewed

Isao Yamaguchi, Kohtaro Osakada, Takakazu Yamamoto

Journal of Polymer Science Part A: Polymer Chemistry   37 ( 9 )   1383 - 1392   1999.5

Ru(0) complex catalyzed polyaddition Reviewed

Isao Yamaguchi, Kohtaro Osakada, Takakazu Yamamoto

Polymer Bulletin   42 ( 2 )   141 - 147   1999.3

Preparation and Characterization of Polyurethane−Cyclodextrin Pseudopolyrotaxanes Reviewed

Isao Yamaguchi, Yasumasa Takenaka, Kohtaro Osakada, Takakazu Yamamoto

Macromolecules   32 ( 6 )   2051 - 2054   1999.3

Reaction of 1-aryl-2-methylenecyclopropanes with rhodium(I) complexes leading to ring opening isomerization and π co-ordination of the CC double bond Reviewed

Kohtaro Osakada, Hisami Takimoto, Takakazu Yamamoto

Journal of the Chemical Society, Dalton Transactions   ( 6 )   853 - 860   1999.3

Cis and Trans Isomers of Pt(SiHAr2)2(PR3)2(R = Me, Et) in the Solid State and in Solutions Reviewed