小泉　研究業績

原著論文

2015

  • Crystal structure of 1,13,14-triazadibenz[a,j]anthracene 1,1,2,2-tetrachloroethane monosolvate
    T. Koizumi, T. Hariu, Y. Sei
    Acta Crystallogr. E, 2015, E71, 681-683 (doi:10.1107/S2056989015009263).

2014

  • Synthesis and dynamic behavior of an Anthyridine-ligated ruthenium complex 
    S. Hirakawa, T. Koizumi 53, 10788-10790 (2014). 
    Inorg. Chem., 2014, 53, 10788-10790. (DOI: 10.1021/ic5011743)
  • Preparation and chemical properties of π-​conjugated poly(1,​10-​phenanthroline-​3,​8-​diyl)​s with crown ether subunits
    H. Fukumoto, Y. Kase, T. Koizumi, T. Yamamoto
    Reac. Funct. Polym. 2014, 82, 9-16. (DOI: 10.1016/j.reactfunctpolym.2014.05.002)
  • [Ru(bpy)2(bqdiBr2)​]​(PF6)​2 bearing a 3,​6-​dibromo-​1,​2-​benzoquinone diimine ligand (bqdiBr2 = Br-​C6H2(NH)​2-​Br)​: Synthesis and its cross coupling reactions with organostannanes and organoboronic acids
    T. Koizumi, H. Hayashi, S. Shiozaki, T. Yamamoto
    Inorg. Chim. Acta 2014, 421, 427-432. (DOI: 10.1016/j.ica.2014.06.032)
  • Preparation of new polysulfones with -​O-​(CH2)​3-​SO3H side chains 
    T. Kojima, T. Koizumi, Y. Sei, S. Shiozaki, M. Abe, M. Oota, K. Kishi, K. Naoi, T.Yamamoto
    Eur. Polym. J 2014, 55, 179-185. (DOI: 10.1016/j.eurpolymj.2014.03.023)

2013

  • Preparation of π-conjugated polymers consisting of 1-aminopyrrole and 4-amino-1,2,4-triazole units
    S. Koie, G. Tanaka, H. Fukumoto, T. Koizumi, T. Yamamoto
    Reactive & Functional Polymers, 2013, 73, 1180-1187. (DOI:org/10.1016)
  • 1,4-Diiodobenzene with -COO-TEMPO (TEMPO = 2,2,6,6-tetramethylpiperidine-1-oxyl-4-yl) substituents at 2,5-positions: synthesis and use as a monomer for new π-conjugated polymers having nitroxyl radicals in side chains
    T. Iijima, M. Abe, T. Koizumi, A. Fukaya, K. Usami, K. Kami, T. Yamamoto
    Polymers for Advanced Technologies, 2013, 24, 927-933. (DOI: 10.1002/pat.3166)
  • Ligand Modification of Cyclometalated Ruthenium Complexes in the Aerobic Oxidative Dehydrogenation of Imidazolines
    S. Aiki,Y. Kijima, J. Kuwabara, A. Taketoshi, T. Koizumi, S. Akine, T. Kanbara
    ACS Catalysis, 2013, 3, 812-816. (DOI: 10.1021/cs300811w)＊共同研究拠点成果

2012

  • Aerobic Oxidative Dehydrogenation of Benzyl Alcohols to Benzaldehydes by Using a Cyclometalated Ruthenium Catalyst
    A. Taketoshi, X. N. Beh, J. Kuwabara, T. Koizumi, T. Kanbara
    Tetrahedron Lett. 2012, 53, 3573-3576. (DOI: 10.1016/j.tetlet.2012.05.001)
  •  Preparation of poly(2-pyridone-3,5-diyl)s with -(CH2)4-SO3M (M = H or Na) side chains
    T. Yamamoto,T. Takei, N. Kumagai, Y. Harada, T. Ohki, Y. Kudoh, T. Kojima, T. Koizumi, K. Shiramizu, M. Abe, M. Oota
    Polymer 2012, 53, 5995-5999. (http://dx.doi.org/10.1016/j.polymer.2012.09.032)
  • Preparation of dibromopyridines having -(CH2)m-SO3Na groups as monomers for new polypyridines
    T. Takei, T. Ohki, Y. Harada, N. Kumagai, H. Fukumoto, T. Koizumi, A. Maeda, T. Kojima, Y. Sei, K. Shiramizu, M. Abe, M. Oota, T. Yamamoto
    Tetrahedron Lett. 2012, 53, 5907-5910. (http://dx.doi.org/10.1016/j.tetlet.2012.08.086)

2011

  • Deprotonation/protonation of Coordinated Secondary Thioamide Units of Pincer Ruthenium Complexes: Modulation of Voltammetric and Spectroscopic Characterization of the Pincer Complexes.
    Takuya Teratani, Take-aki Koizumi, Takakazu Yamamoto, Koji Tanaka, Takaki Kanbara
    Dalton Trans. 2011, 40, 8879-8886. (DOI:10.1039/C0DT01283A)
  • Changes in Redox Potential of a Nickel-pincer Complex Bearing Reactive Secondary Thioamide Units: Changes Caused by Deprotonation/protonation Reactions on Addition of NEt3 and DBU.
    Takuya Teratani, Take-aki Koizumi, Takakazu Yamamoto, Takaki Kanbara
    Inorg. Chem. Commun. 2011, 14, 836-838. (DOI:10.1016/j.inoche.2011.03.001)
  • Synthesis and Chemical Properties of π-Conjugated Poly(9,10-dialkyl-9,10-dihydrophenanthrene-2,7-diyl) and a Related Polymer
    Ryouichi Tokimitsu, Take-aki Koizumi, Takakazu Yamamoto
    Chem. Lett.  2011, 40, 282-284.(DOI:10.1246/cl.2011.282)
  • Synthesis of Inclusion Compounds of Br-Th-Py-Br and (RO)2B-Th-Py-Br (Th = Thiophene-2,5-diyl; Py = Pyridine- 2,5-diyl) with γ-Cyclodextrin
    Take-aki Koizumi, Rieko Kuwahara, Isao Yamaguchi, and Takakazu Yamamoto
    Bull. Chem. Soc. Jpn. 2011, 84, 266-268. (DOI:10.1246/bcsj.20100247)
  • The Catalytic Activity of a Cyclometalated Ruthenium(III) Complex for Aerobic Oxidative Dehydrogenation of Benzylamines
    Shota Aiki, Ayako Taketoshi, Junpei Kuwabara, Take-aki Koizumi, Takaki Kanbara
     J. Organomet. Chem. 2011, 696, 1301-1304. (DOI:10.1016/j.jorganchem.2010.10.063)
  • Cyclometalated Platinum(II) Complexes Bearing o-Phenylenediamine Derivatives: Synthesis and Electrochemical Behavior
    Take-aki Koizumi, Kazunori Fukuju
    J. Organomet. Chem. 2011, 696, 1232-1235. (DOI:10.1016/j.jorganchem.2010.12.003)
  • Synthesis, Chemical Properties, and Electrochemical Behavior of a Pt(II) Complex Bearing a Benzenediamide-derived Ligand
    Take-aki Koizumi, Takuya Teratani, and Takakazu Yamamoto
    Inorg. Chem. Commun. 2011, 14, 292–295.(DOI:10.1016/j.inoche.2010.11.018)

2010

  • Aerobic Oxidative Dehydrogenation of Benzylamines Catalyzed by a Cyclometalated Ruthenium Complex
    Ayako Taketoshi, Take-aki Koizumi, Takaki Kanbara
    Tetrahedron Lett. 2010, 51, 6457–6459.
  • Synthesis of Bis(phenazasiline) Compounds and Their Application for TFT as a Model of Phenazasiline-Containing Polymers
    Hideki Hayashi, Makoto Murase, Take-aki Koizumi, Koya Ohara, Takeshi Miyabayashi, and Masahiko Kojima
    Bull. Chem. Soc. Jpn. 2010, 83, 1282–1284.
  • Nickel(II) Complexes Bearing a Pincer Ligand Containing Thioamide Units: Comparison between SNS and SCS Pincer Ligands.
    Take-aki Koizumi, Takuya Teratani, Ken Okamoto, Takakazu Yamamoto, Yukihiro Shimoi, Takaki Kanbara
    Inorg. Chim. Acta 2010, 363, 2474–2480.
  • Aerobic Oxidative Dehydrogenation of 2-Substituted Imidazolines Promoted by a Cyclometalated Ruthenium Catalyst
    Takakazu Yamamoto, Takao Sato, Takayuki Iijima, Masahiro Abe, Hiroki Fukumoto, Ayako Taketoshi, Akitsu Tsujimoto, Shusaku Maeda, Takeaki Koizumi, and Takaki Kanbara
    ChemCatChem 2010, 2, 58–60.

2009年以前

  • Synthesis and Chemical Properties of Poly(N-substituted diphenylamine-4,4′-diyl)s
    Takakazu Yamamoto, Sang-Bum Kim and Take-aki Koizumi
    Polymer J. 2009, 41, 810-815.
  • Highly Coplanar Polythiophenes with -C(≡)CR Side Chains: Self-assembly, Linear and Nonlinear Optical Properties, and Piezochromism
    Yamamoto, T.; Sato, T.; Iijima, T.; Abe, M.; Fukumoto, H.; Koizumi, T.; Usui, M.; Nakamura, Y.;  Yagi, T.; Tajima, H.; Okada, T.; Sasaki, S.; Kishida, H.; Nakamura, A.; Fukuda, T.; Emoto, A.; Ushijima, H.; Kurosaki, C.; Hirota, H.
    Bull. Chem. Soc. Jpn. 2009, 82, 896─909.
  • Preparation of Head-to-head Type Substituted Polyacetylenes by Organometallic Polycondensation
    Yamamoto, T.; Ohya, K.; Kobayashi, K.; Okamoto, K.; Koie, S; Fukuoto, H.; Koizumi, T.; Yamaguchi, I.
    Macromolecules 2009, 42, 3207─3210.
  • Dibromides of BOC-Protected 1-Aminopyrrole and 4-Amino-1,2,4-triazole: Synthesis, X-Ray Molecular Structure, and NMR Behavior
    Yamamoto, T; Tanaka, G.; Fukumoto, H.; Koizumi, T.
    Heterocycles 2009, 78, 117─125.
  • Reductive Elimination of C6F5-C6F5 in the Reaction of Bis(pentafluorophenyl)palladium(ii) Complexes with Protic Acids
    Take-aki Koizumi Atsuko Yamazaki, Takakazu Yamamoto
    Dalton Trans. 2008, 3949-3952.
  • p-Quinquephenyl Diamine, C6H5-p-C6H4-p-C6H2(2,3-NH2)-p-C6H4-C6H5, and Its Corresponding Diimine-Ru(II) Complex: Crystal Structure and Electrochemical and Optical Properties
    Take-aki Koizumi, Bong-Jin Choi, Takakazu Yamamoto
    Inorg. Chim. Acta 2008, 361, 2131–2138.
  • Synthesis, Structure, and Quaternization and Complexation Reactions of κ3SCS Pincer Palladium Complexes Having 3,5-Pyridinediyl Unit
    Hikaru Meguro, Take-aki Koizumi; Takakazu Yamamoto, Takaki Kanbara
    J. Organomet. Chem. 2008, 693, 1109-1116.
  • Preparation of Soluble Polypyrrole with -C≡C-p-C6H4-hexyl Side Chains at the N-Position and Its Self-assembling Behavior
    Risako Yamashita, Take-aki Koizumi; Shintaro Sasaki, Takakazu Yamamoto
    Polymer J. 2007, 39, 1202-1206.
  • Aerobic Oxidative Dehydrogenation of Coordinated Imidazoline Units of Pincer Ruthenium Complex
    Shusaku Maeda, Take-aki Koizumi; Takakazu Yamamoto, Koji Tanaka, Takaki Kanbara
    J. Organomet. Chem. 2007, 692, 5495-5500.
  • Electrochemical and Photochemical Behavior of a Ruthenium(II) Complex Bearing Two Redox Sites as a Model for the NAD+/NADH Redox Couple
    Hidenori Tannai, Take-aki Koizumi; Tohru Wada, Koji Tanaka
    Angew. Chem., Int. Ed. 2007, 46, 7112-7115.
  • Photochemical and Radiolytic Production of an Organic Hydride Donor with a RuII Complex Containing an NAD+ Model Ligand
    Dmitry Polyansky, Diane Cabelli, James T. Muckerman, Etsuko Fujita, Take-aki Koizumi, Takashi Fukushima, Tohru Wada, and Koji Tanaka
    Angew. Chem. Int. Ed. 2007, 46, 4169-4172.
  • Palladium(II) Complexes Bearing the Terpyridine-type Tridentate Ligand with Benzo[b]-1,5-Naphthyridin-2-yl Groups
    Hidenori Tannai, Take-aki Koizumi, and Koji Tanaka
    Inorg. Chim. Acta 2007, 360, 3075–3082.
  • New π-Conjugated Polymers Containing Oxazole in the Main Chain: Optical and Electrochemical Properties
    Takakazu Yamamoto, Kimiyasu Namekawa, Isao Yamaguchi and Take-aki Koizumi
    Polymer 2007, 48, 2331-2337.
  • π-Conjugated Polyphenylenes with Diazaborole Side Chains Synthesized via 1,2-Phenylenediamine Polymer
    Isao Yamaguchi, Bon-Jin Choi, Take-aki Koizumi, Kenji Kubota, and Takakazu Yamamoto
    Macromolecules 2007, 40, 438-443.
  • Anion-dependent Selective Formation of Intermolecular Non-covalent Bonds
    Kanako Tsutsui, Take-aki Koizumi, Koji Tanaka and Hideki Hayashi
    J. Mol. Struct. 2007, 829, 168-175.
  • Utilization of Industrially Available 2,3-Dichloro-1,3-butadiene for Direct Synthesis of 2,3-Diaryl-1,3-butadienes.
    Takakazu Yamamoto, Takuma Yasuda, Kazuaki Kobayashi, Isao Yamaguchi, Take-aki Koizumi, Daisuke Ishii, Masaru Nakagawa, Yoshihiro Mashiko, and Norihiro Shimizu
    Bull. Chem. Soc. Jpn. 2006, 79, 498-500.
  • Reversible Hydride Generation and Release from the Ligand of [Ru(pbn)(bpy)2](PF6)2 Driven by a Pbn-localized Redox Reaction.
    Take-aki Koizumi and Koji Tanaka
    Angew. Chem. Int. Ed. 2005, 44, 5891-5894.
  • Synthesis, Structures and Electrochemical Properties of Ruthenium (II) Complexes Bearing Bidentate 1,8-Naphthyridine and Terpyridine Analogous (N,N,C)-Tridentate Ligands.
    Take-aki Koizumi, Takashi Tomon, and Koji Tanaka
    J. Organomet. Chem. 2005, 690, 4272-4279.
  • Electrochemical Hydrogenation of [Ru(bpy)2(napy-N)(CO)]2+: Inhibition of Reductive Ru-CO Bond Cleavage by a Ruthenacycle.
    Takashi Tomon, Take-aki Koizumi, and Koji Tanaka
    Angew. Chem. Int. Ed. 2005, 44, 2229-2232.
  • Synthesis, Chemical- and Electrochemical Properties of Ruthenium(II) Complexes Bearing 2,6-Bis(2-naphthyridyl)pyridine.
    Take-aki Koizumi and Koji Tanaka
    Inorg. Chim. Acta 2005, 358, 1999-2004.
  • Synthesis and Electrochemical Properties of Bis(bipyridine)ruthenium(II) Complexes Bearing Pyridinyl- and Pyridinylidene Ligands Induced by Cyclometalation of N'-Methylated Bipyridinium Analogs.
    Take-aki Koizumi, Takashi Tomon, and Koji Tanaka
    J. Organomet. Chem. 2005, 690, 1258-1264.
  • Stabilization and Destabilization of the Ru-CO Bond during the 2,2'-Bipyridin-6-onato (bpyO)-localized Redox Reaction of [Ru(terpy)(bpyO)(CO)](PF6).
    Take-aki Koizumi, and Koji Tanaka
    Eur. J. Inorg. Chem. 2005, 285-293.
  • Synthesis and Crystal Structures of Mono- and Dinuclear Silver(I) Complexes Bearing 1,8-Naphthyridine Ligand.
    Take-aki Koizumi and Koji Tanaka
    Inorg. Chim. Acta 2004, 357, 3666-3672.
  • Selective Formation of Inter- and Intramolecular A-D-A π−π Stacking: Solid-state Structures of Bis(pyridiniopropyl)benzenes.
    Take-aki Koizumi, Kanako Tsutsui, and Koji Tanaka
    Eur. J. Org. Chem. 2003, 4528-4532.
  • Synthesis, Structures and Fluxional Behavior of Ruthenium(II) Complexes Bearing a Bidentate 1,8-Naphthyridine Ligand.
    Take-aki Koizumi, Takashi Tomon, and Koji Tanaka
    Bull. Chem. Soc. Jpn. 2003, 76, 1969-1975.
  • Terpyridine-Analogous (N,N,C)-Tridentate Ligands: Synthesis, Structures, and Electrochemical Properties of Ruthenium(II) Complexes Bearing Tridentate Pyridinium and Pyridinylidene Ligands.
    Take-aki Koizumi, Takashi Tomon, and Koji Tanaka
    Organometallics 2003, 22, 970-975.
  • Reduction of Ketimines by Samarium(II) Complexes. Isolation and Structural Characterization of Samarium(III) η1-Amine/η1-Ketimido and η2-Ketimine Complexes.
    haomin Hou, Chikako Yoda, Takeaki Koizumi, Masayoshi Nishiura, Yasuo Wakatsuki, Shinchi Fukuzawa, and Josef Takats
    Organometallics 2003, 22, 3586-3592.
  • Synthesis, Structures, and Reactivity of the First Silylene-Linked Cyclopentadienyl- Phosphido Lanthanide Complexes.
    Olivier Tardif, Zhaomin Hou, Masayoshi Nishiura, Take-aki Koizumi, and Yasuo Wakatsuki
    Organometallics 2001, 20, 4565-4573.
  • Lanthanide(II) Complexes Bearing Linked Cyclopentadienyl-Anilido Ligands: Synthesis, Structures, and One-Electron-Transfer and Ethylene Polymerization Reactions.
    Zhaomin Hou, Take-aki Koizumi, Masayoshi Nishiura, and Yasuo Wakatsuki
    Organometallics 2001, 20, 3323-3328.
  • The Binuclear Iridium(II) Hydride Complex [(C5Me5)Ir(μ-H)]2: A Novel Base for Reversible Deprotonation of Acidic Organic Compounds and a Unique Catalyst for C-C Bond Cleavage of Aromatic 1,2-Diols and Michael Additions.
    Zhaomin Hou, Take-aki Koizumi, Akira Fujita, Hiroshi Yamazaki, and Yasuo Wakatsuki
    J. Am. Chem. Soc. 2001, 123, 5812-5813.
  • C5Me5/ER-Ligated Samarium(II) Complexes with the Neutral "C5Me5M" Ligand (ER = OAr, SAr, NRR', or PHAr; M = K or Na): A Unique Catalytic System for Polymerization and Block-Copolymerization of Styrene and Ethylene.
    Zhaomin Hou, Yugen Zhang, Hiroaki Tezuka, Peng Xie, Oliver Tardif, Take-aki Koizumi, Hiroshi Yamazaki, and Yasuo Wakatsuki
    J. Am. Chem. Soc. 2000, 122, 10533-10543.
  • Ring-Opening Polymerization and Copolymerization of Lactones by Samarium(II) Aryloxide Complexes.
    Masayoshi Nishiura, Zhaomin Hou, Take-aki Koizumi, Tsuneo Imamoto, and Yasuo Wakatsuki
    Macromolecules 1999, 32, 8245-8251.
  • Transfer of Ketyls from Alkali Metals to Transition Metals. Formation and Diverse Reactivities of d-Block Transition-Metal Ketyls.
    Zhaomin Hou, Akira Fujita, Take-aki Koizumi, Hiroshi Yamazaki, and Yasuo Wakatsuki
    Organometallics 1999, 18, 1979-1985.
  • Cis and Trans Isomers of Pt(SiHAr2)2(PR3)2 (R = Me, Et) in the Solid State and in Solutions.
    Yong-Joo Kim, Jong-Il Park, Sang-Chul Lee, Kohtaro Osakada, Makoto Tanabe, Jun-Chul Choi, Take-aki Koizumi, and Takakazu Yamamoto
    Organometallics 1999, 18, 1349-1352.
  • Preparation of New Tetrathiafulvalene (TTF) Derivatives with Two Functional Groups at Symmetrical Positions. 2,6-Diiodo-3,7-diphenyl-, 2,6-Bis[2-(trimethylsilyl)ethynyl]-3,7-diphenyl-, and 2,6-Diethynyl-3,7-diphenyltetrathiafulvalene.
    Takahisa Shimizu, Takeaki Koizumi, Isao Yamaguchi, Kohtaro Osakada, and Takakazu Yamamoto
    Synthesis 1998, 259-261.
  • A Symmetrically Bridging Triarylsilyl Ligand in a Dinuclear Rhodium Complex: Synthesis and Structure of [LRh(H)(μ-Cl)(μ-SiAr2)(μ-SiAr3)Rh(H)L] (Ar = Ph, p-FC6H4; L = P(iPr)3)
    Kohtaro Osakada, Takeaki Koizumi, and Takakazu Yamamoto
    Angew. Chem. Int. Ed. 1998, 37, 349-351.
  • Thermal Si-C Bond Cleavage of LRhH(SiAr3)(μ-H)(μ-Cl)RhH(SiAr3)L (Ar = C6H5, C6H4F-p; L = P(i-Pr)3) To Give LRhH(μ-SiAr3)(μ-SiAr2)(μ-Cl)RhHL Containing Symmetrically Bridging Triarylsilyl and Diarylsilylene Ligands.
    Take-aki Koizumi, Kohtaro Osakada, and Takakazu Yamamoto
    Organometallics 1998, 17, 5721-5727.
  • Rh(I) Complexes with -Coordinated Arylallene. Structures in the Solid State and in Solution and Reaction with Arylallene To Give Rhodacyclopentane
    Jun-Chul Choi, Susumu Sarai, Take-aki Koizumi, Kohtaro Osakada, and Takakazu Yamamoto
    Organometallics 1998, 17, 2037-2045.
  • Isomers of Chloro(triarylsilyl)hydridorhodium(III) Complexes, mer-RhCl(H)(SiAr3)(PMe3)3. Relevance of Their Structures to Reductive Elimination of ClSiAr3.
    Kohtaro Osakada, Take-aki Koizumi, Susumu Sarai, and Takakazu Yamamoto
    Organometallics 1998, 17, 1868-1872.
  • Intermolecular Transfer to Triarylsilane from RhCl(H)(SiAr3)[P(i-Pr)3]2 to a Platinum(0) Complex, Giving cis-PtH(SiAr3)(PEt3)2 (Ar = C6H5, C6H4F-p, C6H4Cl-p).
    Take-aki Koizumi, Kohtaro Osakada, and Takakazu Yamamoto
    Organometallics 1997, 16, 6014-6016.
  • Preparation of Symmetric Dibromides of 1,10-Phenanthroline.
    Yutaka Saitoh, Take-aki Koizumi, Kohtaro Osakada, and Takakazu Yamamoto
    Can. J. Chem. 1997, 75, 1336-1339.
  • Structure and Chemical Properties of Chlorohydrido(diarylsilyl)rhodium(III) Complexes, mer-RhCl(H)(SiHAr2)(PMe3)3. Thermally Induced Chloro Transfer from Rhodium to Silicon in the Complexes and Silane Exchange.
    Kohtaro Osakada, Susumu Sarai, Take-aki Koizumi, and Takakazu Yamamoto
    Organometallics 1997, 16, 3973-3980.
  • New Rhodacyclopentane with Phenylvinylidene Substituents, mer-[Rh{CH2C(=CHPh)C(=CHPh)CH2}Cl(PMe3)3]. Structure and Formation Through Concerted Cycloaddition of Phenylallene Molecules to [RhCl(PMe3)3].
    Kohtaro Osakada, Jun-Chul Choi, Susumu Sarai, Take-aki Koizumi, and Takakazu Yamamoto
    Chem. Commun. 1997, 1313-1314.
  • A New Series of Mono- and Dinuclear Hydridosilylrhodium(III) Complexes, RhCl(H)(SiAr3)L2 and RhL(SiAr3)H(μ-Cl)(μ-H)RhH(SiAr3)L (L = P(i-Pr)3). Preparation by Oxidative Addition of HSiAr3 and Molecular Structures of the Complexes.
    Kohtaro Osakada, Take-aki Koizumi, and Takakazu Yamamoto
    Organometallics 1997, 16, 2063-2069.
  • Preparation of Cu(I) Complexes with N-bonded or O-Bonded p-Cyanophenoxido Ligand and Their Structures in Solid State and in Solution.
    Kohtaro Osakada, Tadashi Takizawa, Take-aki Koizumi, and Takakazu Yamamoto
    Chem. Lett. 1997, 325-326.
  • Si-H and Si-C Bond Activation of a Triorganosilane Promoted by [RhCl{P(i-Pr)3}2]. Synthesis and Structure of a Dinuclear Rh(IV) Complex with μ-Silylene Ligands.
    Kohtaro Osakada, Take-aki Koizumi, and Takakazu Yamamoto
    Bull. Chem. Soc. Jpn.1997, 70, 189-195.
  • Synthesis and Characterization of Novel Phosphido-bridged Bimetallic Complexes of Molybdenum and Tungsten.
    Makoto Minato, Takashi Nakamura, Takashi Ito, Takeaki Koizumi, and Kohtaro Osakada
    Chem. Lett. 1996, 901-902.
  • Reactions of Methoxyallene and of Phenylallene with RhH(CO)(PPh3)3. Insertion of a C=C Bond into an Rh-H Bond, Giving (π-Allyl)rhodium(I) Complexes.
    Kohtaro Osakada, Jun-Chul Choi, Take-aki Koizumi, Isao Yamaguchi, and Takakazu Yamamoto
    Organometallics 1995, 14, 4962-4965.

総説

  • Metal Complexes of π-Conjugated Polymers
    Yamamoto, Takakazu; Fukumoto, Hiroki; Take-aki Koizumi.
    J. Inorg. Organomet. Polym. 2009, 19, 3─11.
  • Synthesis of π-Conjugated Polymers Bearing Electronic and Optical Functionalities by Organometallic Polycondensations and Their Chemical Properties
    Takakazu Yamamoto, Take-aki Koizumi
    Polymer, 48, 5449-5472 (2007).
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