Original Papers: [2023] [2022] [-2021] [-2016] [-2011] [-2006] [-2001] [-1996]
[Review Articles] [Miscellaneous]
Asymmetric Reductive Amination of α-Keto Acids Using Ir-Based Hydrogen Transfer Catalysts: An Access to Unprotected Unnatural α-Amino Acids
Takaaki Yajima, Akito Katayama, Tsubasa Ito, Takuma Kawada, Kenya Yabushita, Toshihisa Yasuda, Takeshi Ohta, Takeaki Katayama, Noriyuki Utsumi, Yoshihito Kayaki, and Shigeki Kuwata*
Org. Lett. 2024, 26, 1426-1431.
Ring-Chain Equilibria of Dynamic Macrocycles with a Bis(hindered amino)disulfide Linker
Rikito Takashima, Daisuke Aoki,* Shigeki Kuwata, and Hideyuki Otsuka*
Polym. Chem. 2023, 14, 4344-4351.
Alkoxide-Decorated Copper Nanoparticles on Amidine-Modified Polymers as Hydrogenation Catalysts for Enabling H2 Heterolysis
Ryo Watari,* Takanori Itoh, Shigeki Kuwata, and Yoshihito Kayaki*
ACS Catal. 2023, 13, 5159-5169.
Regioselective Transfer Hydrogenative Defluorination of Polyfluoroarenes Catalyzed by Bifunctional Azairidacycle
Asuka Matsunami, Shigeki Kuwata, and Yoshihito Kayaki*
Organics 2022, 3, 150-160.
Asymmetric Transfer Hydrogenative Amination of Benzylic Ketones Catalyzed by Cp*Ir(III) Complexes Bearing a Chiral N-(2-Picolyl)sulfonamidato Ligand
Takuma Kawada, Kenya Yabushita, Toshihisa Yasuda, Takeshi Ohta, Takaaki Yajima, Kouichi Tanaka, Noriyuki Utsumi, Masahito Watanabe, Kunihiko Murata, Yoshihito Kayaki, Shigeki Kuwata,* and Takeaki Katayama
J. Org. Chem. 2022, 87, 8458-8468.
Redox Non-innocence of ortho-Benzoquinone Dioximate Dianion in Ligand Exchange on Ruthenium
Takuya Harada, Shinji Ando, and Shigeki Kuwata*
Eur. J. Inorg. Chem. 2022, e202200293(1-6).
Dinaphtho[2,1-b:1',2'-d]thiophene as High Refractive Index Materials Exploiting the Potential Characteristics of “Dynamic Thiahelicenes”
Yoko Nambu,* Yoko Yoshitake, Shohan Yanagi, Kenji Mineyama, Keisuke Tsurui, Shigeki Kuwata, Toshikazu Takata, Tadatomi Nishikubo, and Ken Ishikawa
J. Mater. Chem. C 2022, 10, 726-733.
Large-Stokes-shifted Yellow Photoluminescence Emission from an Imide and Polyimides Forming Multiple Intramolecular Hydrogen Bonds
Naiqiang Liang, Shigeki Kuwata, Ryohei Ishige, and Shinji Ando*
Mater. Chem. Front. 2022, 6, 24-32.
Synthesis and Characterization of White-Light Luminescent End-Capped
Polyimides Based on FRET and Excited State Intramolecular Proton Transfer
Atsuko Tabuchi, Teruaki Hayakawa, Shigeki Kuwata, Ryohei Ishige, and Shinji Ando
Polymers 2021, 13, 4050(1-17). (Special Issue: State-of-the-Art Polymer Science and Technology in Japan (2021,2022))
Ruthenium Macrocycles Bearing Pyridine Bis(carboxamide): Synthesis, Structure, and Catalytic Activity for Hydrosilylation
Hiroki Sato, Tadashi Tsukamoto, Hiromitsu Sogawa, Shigeki Kuwata, and Toshikazu Takata
New J. Chem. 2021, 45, 18282-18289.
New Approach to Recycling of Epoxy Resin Using Nitric Acid: Regeneration of Decomposed Products through Hydrogenation
Takuma Hanaoka, Yoshihiko Arao, Yoshihito Kayaki, Shigeki Kuwata, and Masatoshi Kubouchi
ACS Sustainable Chem. Eng. 2021, 9, 12520-12529.
Full-Colour Solvatochromic Fluorescence Emitted from a Semi-Aromatic Imide Compound Based on ESIPT and Anion Formation
Atsuko Tabuchi, Teruaki Hayakawa, Shigeki Kuwata, Ryohei Ishige, and Shinji Ando
Mater. Adv. 2021, 2, 5629-5638.
Oxy-Tethered Cp*Ir(III) Complex as a Competent Catalyst for Selective Dehydrogenation from Formic Acid
Hitomi Nakamura, Minori Yoshida, Asuka Matsunami, Shigeki Kuwata, and Yoshihito Kayaki
Chem. Commun. 2021, 57, 5534-5537.
Synthesis, Structures, and Reactivities of Iron Complexes Bearing an Isoindoline-Based, Polyprotic Pincer-Type Pyrazole Ligand
Tatsuro Toda and Shigeki Kuwata
Z. Anorg. Allg. Chem. 2021, 647, 1471-1477. (Special Issue: Pincer Ligands)
A Diazene-Bridged Diruthenium Complex with Structural Restraint Defined by Single meta-Diphosphinobenzene
Satoshi Suzuki, Tatsuro Toda, and Shigeki Kuwata
Dalton Trans. 2021, 50, 4789-4795. [highlighted as back cover]
Analysis of Nitric Acid Decomposition of Epoxy Resin Network Structures for Chemical Recycling
Takuma Hanaoka, Yoshihiko Arao, Yoshihito Kayaki, Shigeki Kuwata, and Masatoshi Kubouchi
Polym. Degrad. Stab. 2021, 186, 109537(1-8).
Synthesis, Structures, and Reactivities of Six-Membered C–N Chelate Protic Pyrazole Complexes of Iridium
Yohei Kashiwame, Takao Ikariya, and Shigeki Kuwata
Polyhedron 2021, 197, 115036(1-7). (Special Issue: Dative Carbon Donor Ligands and their Applications)
The Activation of Furfuryl Alcohol Polymerization by Oxygen and Its Enhanced Mechanical Properties
Kazushi Shibutani, Jun Nakai, Ketkanok Aphichartsuphapkhajorn, Yoshihito Kayaki, Shigeki Kuwata, Yoshihiko Arao, and Masatoshi Kubouchi
J. Appl. Polym. Sci. 2021, 138, e50311(1-10).
Central N-Heterocyclic Carbene Moieties in Protic Pincer-Type Bis(pyrazole) Ligands: Perturbation on Steric and Electronic Properties of Ruthenium Center
Tatsuro Toda and Shigeki Kuwata
J. Organomet. Chem. 2020, 917, 121270 (1-7). (Special Issue: The Organometallic Chemistry of Metal Carbene Complexes, dedicated to F. E. Hahn)
Open Clamshell Dinuclear Palladium(II) Complexes Possessing Out-of-Plane Anisotropy
Koji Yamamoto, Kazuki Higuchi, Shigeki Kuwata, Yoshihiro Hayashi, Susumu Kawauchi, and Toshikazu Takata
Dalton Trans. 2020, 49, 2781-2785.
A Universal Strategy toward Cyclic Topologies Based on the Dynamic Behavior of a Bis(hindered amino)disulfide Linker
Nao Tsurumi, Rikito Takashima, Daisuke Aoki, Shigeki Kuwata, and Hideyuki Otsuka
Angew. Chem. Int. Ed. 2020, 59, 4269-4273; Angew. Chem. 2020, 132, 4299-4303.
Amidines as Effective Ancillary Ligands in Copper-Catalyzed Hydrogenation of Carbon Dioxide
Ryo Watari, Shigeki Kuwata, and Yoshihito Kayaki
Chem. Lett. 2020, 49, 252-254.
Macrocyclic Metal Complexes Bearing Rigid Polyaromatic Ligands: Synthesis and Catalytic Activity
Koji Yamamoto, Kazuki Higuchi, Masahiro Ogawa, Hiromitsu Sogawa, Shigeki Kuwata, Yoshihiro Hayashi, Susumu Kawauchi, and Toshikazu Takata
Chem. Asian J. 2020, 15, 356-359.
Mechanistic Study on Catalytic Disproportionation of Hydrazine by a Protic Pincer-Type Iron Complex through Proton-Coupled Electron Transfer
Hiromasa Tanaka, Seiji Hitaoka, Kazuki Umehara, Kazunari Yoshizawa, and Shigeki Kuwata
Eur. J. Inorg. Chem. 2020, 1472-1482. (Special Issue: Nitrogen Fixation)
Half-Sandwich Iridium Complexes Bearing a Diprotic Glyoxime Ligand: Structural Diversity Induced by Reversible Deprotonation
Taishin Takamura, Takuya Harada, Tatsuro Furuta, Takao Ikariya, and Shigeki Kuwata
Chem. Asian J. 2020, 15, 72-78. [highlighted as front cover]
Synthesis of a Half-Sandwich Hydroxidoiridium(III) Complex Bearing a Nonprotic N-Sulfonyldiamine Ligand and Its Transformations Triggered by the Brønsted Basicity
Shoko Kamezaki, Yoshihito Kayaki, Shigeki Kuwata, Takao Ikariya
Inorganics 2019, 7, 125(1-8). (Special Issue: Iridium Complexes)
Synthesis and Characterization of 9,9-Bis(4-hydroxyphenyl and 4-aminophenyl)dibenzofluorenes: Novel Fluorene-Based Monomers
Surasak Seesukphronrarak, Shinichi Kawasaki, Shigeki Kuwata, and Toshikazu Takata
J. Polym. Sci., Part A: Polym. Chem. 2019, 57, 2602-2605.
Reductive Amination of Ketonic Compounds Catalyzed by Cp*Ir(III) Complexes Bearing Picolinamidato Ligands
Kouichi Tanaka, Takashi Miki, Kunihiko Murata, Ayumi Yamaguchi, Yoshihito Kayaki, Shigeki Kuwata, Takao Ikariya, and Masahito Watanabe
J. Org. Chem. 2019, 84, 10962-10977.
Metal-Ligand Cooperative C-O Bond Cleavage of Propargylic Alcohol with Protic Pyrazole Complexes of Ruthenium
Naoto Tashima, Satomi Ohta, and Shigeki Kuwata
Faraday Discuss. 2019, 220, 364-375. (Themed Collection: Mechanistic Processes in Organometallic Chemistry)
A P-C Chelate, Protic 1,2-Dihydropyridin-2-ylidene Ruthenium Complex: Synthesis, Structure, and Reversible Deprotonation
Naoto Tashima, Taka Sawazaki, Yoshihito Kayaki, Shigeki Kuwata
Chem. Lett. 2019, 48, 787-790.
Poly(ethyleneimine)s-Mediated Consecutive Hydrogenation of Carbon Dioxide to Methanol with Ru Catalysts
Atsuki Yoshimura, Ryo Watari, Shigeki Kuwata, and Yoshihito Kayaki
Eur. J. Inorg. Chem. 2019, 2375-2380.
Cleavage of N-H Bond of Ammonia via Metal-Ligand Cooperation Enables Rational Design of a Conceptually New Noyori-Ikariya Catalyst
Pavel A. Dub, Asuka Matsunami, Shigeki Kuwata, and Yoshihito Kayaki
J. Am. Chem. Soc. 2019, 141, 2661-2677.
Metallo-Supramolecular Assembly of Protic Pincer-Type Complexes: Encapsulation of Dinitrogen and Carbon Disulfide into Multiproton-Responsive Diruthenium Cage
Tatsuro Toda, Satoshi Suzuki, and Shigeki Kuwata
Chem. Commun. 2019, 55, 1028-1031. [highlighted as inside back cover]
Accessible Bifunctional Oxy-tethered Ruthenium(II) Catalysts for Asymmetric Transfer Hydrogenation
Asuka Matsunami, Marika Ikeda, Hitomi Nakamura, Minori Yoshida, Shigeki Kuwata, and Yoshihito Kayaki
Org. Lett. 2018, 20, 5213-5218.
Nucleophilic Aromatic Substitution in Hydrodehydrofluorination Exemplified by Hydridoiridium(III) Complexes with Fluorinated Phenylsulfonyl-1,2-diphenylethylenediamine Ligands
Asuka Matsunami, Yoshihito Kayaki, Shigeki Kuwata, and Takao Ikariya
Organometallics 2018, 37, 1958-1969.
Hydrogen Evolution from Formic Acid and Hydrodefluorination of Fluoroarenes by Bifunctional Iridium Catalysts --- Beyond the Transfer Hydrogenation
Asuka Matsunami, Shigeki Kuwata, and Yoshihito Kayaki
J. Synth. Org. Chem. Jpn. 2018, 76, 315-324. [in Japanese]
Protic NNN and NCN Pincer-Type Ruthenium Complexes Featuring (Trifluoromethyl)pyrazole Arms: Synthesis and Application to Catalytic Hydrogen Evolution from Formic Acid
Yoshiko Nakahara, Tatsuro Toda, Asuka Matsunami, Yoshihito Kayaki, and Shigeki Kuwata
Chem. Asian J. 2018, 13, 73-80.
Iron and Ruthenium Complexes Having a Pincer-Type Ligand with Two Protic Amidepyrazole Arms: Structures and Catalytic Application
Yoshiko Nakahara, Tatsuro Toda, and Shigeki Kuwata
Polyhedron 2018, 143, 105-110. (Special Issue: Pincer Ligands)
Ruthenium-Catalyzed Dimerization of 1,1-Diphenylpropargyl Alcohol to a Hydroxybenzocyclobutene and Related Reactions
Hoang Ngan Nguyen, Naoto Tashima, Takao Ikariya, and Shigeki Kuwata
Inorganics 2017, 5, 80(1-8). (Special Issue: Revealing Reaction Mechanisms in Homogeneous Transition Metal Catalysis)
Distinct Promotive Effects of 1,8-Diazabicyclo[5.4.0]undec-7-ene (DBU) on Polymer Supports in Copper-Catalyzed Hydrogenation of C=O Bonds
Ryo Watari, Norio Matsumoto, Shigeki Kuwata, and Yoshihito Kayaki
ChemCatChem 2017, 9, 4501-4507.
A Bifunctional Iridium Catalyst Modified for Persistent Hydrogen Generation from Formic Acid: Understanding Deactivation via Cyclometalation of a 1,2-Diphenylethylenediamine Motif
Asuka Matsunami, Shigeki Kuwata, and Yoshihito Kayaki
ACS Catal. 2017, 7, 4479-4484.
Synthesis and Structures of NCN Pincer-Type Ruthenium and Iridium Complexes Bearing Protic Pyrazole Arms
Tatsuro Toda, Koki Saitoh, Akihiro Yoshinari, Takao Ikariya, and Shigeki Kuwata
Organometallics 2017, 36, 1188-1195.
Kinetically Stabilized Aliphatic Nitrile N-Oxides as Click Agents: Synthesis, Structure, and Reactivity
Toyokazu Tsutsuba, Hiromitsu Sogawa, Shigeki Kuwata, and Toshikazu Takata
Chem. Lett. 2017, 46, 315-318. [Selected as Editor's Choice]
Stereoselective Synthesis of Chloride-Phosphine Ruthenium Complexes Bearing a Pyrazole-based Protic Tripodal Amine Ligand
Hiroaki Yamagishi, Hiroyuki Konuma, and Shigeki Kuwata
Polyhedron 2017, 125, 173-178. (Special Issue: Applications of Tridentate and Tetradentate Tripodal Ligands)
Protic N-heterocyclic Carbene versus Pyrazole: Rigorous Comparison of Proton- and Electron-Donating Abilities in a Pincer-Type Framework
Tatsuro Toda, Akihiro Yoshinari, Takao Ikariya, and Shigeki Kuwata
Chem. Eur. J. 2016, 22, 16675-16683.
Hydrodefluorination of Fluoroarenes Using Hydrogen Transfer Catalysts with a Bifunctional Iridium/NH Moiety
Asuka Matsunami, Shigeki Kuwata, and Yoshihito Kayaki
ACS Catal. 2016, 6, 5181-5185.
Structural Analysis and Inclusion Mechanism of Native and Permethylated α-Cyclodextrin-Based Rotaxanes Containing Alkylene Axles
Yosuke Akae, Yasuhito Koyama, Hiromitsu Sogawa, Yoshihiro Hayashi, Susumu Kawauchi, Shigeki Kuwata, and Toshikazu Takata
Chem. Eur. J. 2016, 22, 5335-5341.
Protic Ruthenium Tris(pyrazol-3-ylmethyl)amine Complexes Featuring a Hydrogen-Bonding Network in the Second Coordination Sphere
Hiroaki Yamagishi, Shohei Nabeya, Takao Ikariya, and Shigeki Kuwata
Inorg. Chem. 2015, 54, 11584-11586.
Synthesis and Structures of Ruthenium and Iron Complexes Bearing an Unsymmetrical Pincer-Type Ligand with Protic Pyrazole and Tertiary Aminoalkyl Arms
Tatsuro Toda, Shigeki Kuwata, and Takao Ikariya
Z. Anorg. Allg. Chem. 2015, 641, 2135-2139. (Special Issue:
Dedicated to Professor F. Ekkehardt Hahn on the Occasion of His 60th Birthday)
Exact Helical Polymer Synthesis by Two-Point-Covalent-Linking Protocol between C2-Chiral Spirobifluorene and C2- or Cs-Symmetric Anthraquinone Monomers
Zhaozhong Yi, Hitoshi Okuda, Yasuhito Koyama, Ryota Seto, Satoshi Uchida, Hiromitsu Sogawa, Shigeki Kuwata, and Toshikazu Takata
Chem. Commun. 2015, 51, 10423-10426.
Synthesis and Cavity Size Effect of Pd-containing Macrocycle Catalyst for Efficient Intramolecular Hydroamination of Allylurethane
Masahiro Ogawa, Masaki Nagashima, Hiromitsu Sogawa, Shigeki Kuwata, and Toshikazu Takata
Org. Lett. 2015, 17, 1664-1667.
Cyclodextrin-Based Size-Complementary [3]Rotaxanes: Selective Synthesis and Specific Dissociation
Akae Yosuke, Yasuhiro Koyama , Shigeki Kuwata, and Toshikazu Takata
Chem. Eur. J. 2014, 20, 17132-17136.
Unsymmetrical Pincer-Type Ruthenium Complex Containing β-Protic Pyrazole and N-Heterocyclic Carbene Arms: Comparison of Brønsted Acidity of NH Groups in Second Coordination Sphere
Tatsuro Toda, Shigeki Kuwata, and Takao Ikariya
Chem. Eur. J. 2014, 20, 9539-9542.
Synthesis, Structures, and Reactivities of Iron, Cobalt, and Manganese Complexes Bearing a Pincer Ligand with Two Protic Pyrazole Arms
Kazuki Umehara, Shigeki Kuwata, and Takao Ikariya
Inorg. Chim. Acta 2014, 413, 136-142.
C-F Bond Breaking through Aromatic Nucleophilic Substitution with a Hydroxo Ligand Mediated via Water Bifunctional Activation
Pavel A. Dub, Hui Wang, Asuka Matsunami, Ilya D. Gridnev, Shigeki Kuwata, and Takao Ikariya
Bull. Chem. Soc. Jpn. 2013, 86, 557-568. [BCSJ Award Article]
N-N Bond Cleavage of Hydrazines with a Multiproton-Responsive Pincer-Type Iron Complex
Kazuki Umehara, Shigeki Kuwata, and Takao Ikariya
J. Am. Chem. Soc. 2013, 135, 6754-6757.
Catalytic Intramolecular Hydroamination with a Bifunctional Iridium Pyrazolato Complex: Substrate Scope and Mechanistic Elucidation
Yohei Kashiwame, Shigeki Kuwata, and Takao Ikariya
Organometallics 2012, 31, 8444-8455. [highlighted as Most Read Articles (Nov., 2012)]
One-pot Synthesis of Permethylated α-CD-Based Rotaxanes Having Alkylene Chain Axles and Their Structural Characteristics
Yosuke Akae, Takayuki Arai, Yasuhito Koyama, Hisashi Okamura, Kohei Johmoto, Hidehiro Uekusa, Shigeki Kuwata, and Toshikazu Takata
Chem. Lett. 2012, 41, 806-808.
Intramolecular 1,3-Dipolar Cycloaddition of Nitrile N-Oxide Accompanied by Dearomatization
Morio Yonekawa, Yasuhito Koyama, Shigeki Kuwata, and Toshikazu Takata
Org. Lett. 2012, 14, 1164-1167.
Synthesis, Structures, and Reactivities of Pincer-Type Ruthenium Complexes Bearing Two Proton-Responsive Pyrazole Arms
Akihiro Yoshinari, Akira Tazawa, Shigeki Kuwata, and Takao Ikariya
Chem. Asian J. 2012, 7, 1417-1425.
Trapping of a Doubly Unsaturated Dinuclear Iridium(II) Sulfonylimido Complex with Phosphine and Lewis Acidic Group 11 and 12 Metals
Takashi Kimura, Koji Ishiwata, Shigeki Kuwata, and Takao Ikariya
Organometallics 2012, 31, 1204-1207.
Synthesis, Structures, and Transfer Hydrogenation Catalysis of Bifunctional Iridium Complexes Bearing a C-N Chelate Oxime Ligand
Megumi Watanabe, Yohei Kashiwame, Shigeki Kuwata, and Takao Ikariya
Eur. J. Inorg. Chem. 2012, 504-511.
(Special Issue on Cooperative & Redox Non-Innocent Ligands in Directing Organometallic Reactivity) [highlighted as a back cover picture]
H-H and N-H Bond Cleavage of Dihydrogen and Ammonia with Bifunctional Parent Imido (NH)-Bridged Diiridium Complex
Takashi Kimura, Naoyuki Koiso, Koji Ishiwata, Shigeki Kuwata, and Takao Ikariya
J. Am. Chem. Soc. 2011, 133, 8880-8883.
Synthesis, Structure, and Proton Transfer Reactions of Brønsted Acidic Pyridylpyrazole Complexes of Ruthenium
Yohei Kashiwame, Megumi Watanabe, Kenjirou Araki, Shigeki Kuwata, and Takao Ikariya
Bull. Chem. Soc. Jpn. 2011, 84, 251-258. [BCSJ Award Article]
Synthesis, Structure, and Reversible Deprotonation of a Half-Sandwich Iridium Complex Bearing a Chelating Oxime Ligand
Megumi Watanabe, Yohei Kashiwame, Shigeki Kuwata, and Takao Ikariya
Chem. Lett. 2010, 39, 758-759.
Asymmetric Nitrile-Hydration with Bifunctional Ruthenium Catalysts Bearing Chiral N-Sulfonyldiamine Ligands
Shoko Kamezaki, Satoshi Akiyama, Yoshihito Kayaki, Shigeki Kuwata, and Takao Ikariya
Tetrahedron Asymmetry 2010, 21, 1169-1172.
Metal-Pyrazole Bifunction in Half-Sandwich C-N Chelate Iridium Complexes: Pyrazole-Pyrazolato Interconversion and Application to Catalytic Intramolecular Hydroamination of Aminoalkene
Yohei Kashiwame, Shigeki Kuwata, and Takao Ikariya
Chem. Eur. J. 2010, 16, 766-770.
Synthesis of Parent Amido (NH2)-Bridged Dinuclear Complexes of Ruthenium and Iridium by Stepwise Transfer Hydrogenation of μ-Azido Complexes
Takashi Kimura, Hiroko Arita, Koji Ishiwata, Shigeki Kuwata, and Takao Ikariya
Dalton Trans. 2009, 2912-2914.
Hydrogen- and Oxygen-Driven Interconversion between Imido-Bridged Dirhodium(III) and Amido-Bridged Dirhodium(II) Complexes
Koji Ishiwata, Shigeki Kuwata, and Takao Ikariya
J. Am. Chem. Soc. 2009, 131, 5001-5009.
Isolation and Interconversion of Protic N-Heterocyclic Carbene and Imidazolyl Complexes: Application to Catalytic Dehydrative Condensation of N-(2-Pyridyl)benzimidazole and Allyl Alcohol
Kenjirou Araki, Shigeki Kuwata, and Takao Ikariya
Organometallics 2008, 27, 2176-2178.
Synthesis and Diastereoselective Ligand Substitution Reaction of a Mono(sulfido)-Bridged Ir-Mo Heterodinuclear Complex
Kazuya Arashiba, Shoji Matsukawa, Yoshiaki Tanabe, Shigeki Kuwata, and Youichi Ishii
Inorg. Chem. Commun. 2008, 11, 587-590.
Synthesis, Structures, and Properties of Group 9- and Group 10-Group 6 Heterodinuclear Nitrosyl Complexes
Kazuya Arashiba, Hidetaka Iizuka, Shoji Matsukawa, Shigeki Kuwata, Yoshiaki Tanabe, Masakazu Iwasaki, and Youichi Ishii
Inorg. Chem. 2008, 47, 4264-4274.
Crown Ether-tert-Ammonium Salt Complex Fixed as Rotaxane and Its Derivation to Nonionic Rotaxane
Kazuko Nakazono, Shigeki Kuwata, and Toshikazu Takata
Tetrahedron Lett. 2008, 49, 2397-2401.
Acid-Base Bifunction and Umpolung of the Bridging Hydride in a Coordinatively Unsaturated Mesylimido- and Hydrido-Bridged Diiridium Complex
Hiroko Arita, Koji Ishiwata, Shigeki Kuwata, and Takao Ikariya
Organometallics 2008, 27, 493-496.
Silylenediamido [(CH3)2Si(NTs)22-; Ts = p-CH3C6H4SO2] Complexes of Iridium: Synthesis, Structures and Facile Si-N Bond Cleavage
Koji Ishiwata, Shigeki Kuwata, and Takao Ikariya
Dalton Trans. 2007, 3606-3608.
Hydrogenation of Cyclohexene Catalyzed by Ruthenium Nitrosyl Complexes: Crystal Structures of Catalyst Precursors [Cp*Ru(μ2-NO)2RuCp*] and [Cp*Ru(NO)(η2-C6H10)] (Cp* = η5-C5(CH3)5)
Shigeki Kuwata, Satoshi Kura, and Takao Ikariya
Polyhedron 2007, 26, 4659-4663. (Symposia-in-Print, No. 28: Transition Metal Chemistry of NO, N2O and Related Molecules)
A Sulfonylimido-Bridged Coordinatively Unsaturated Diiridium Complex: Intramolecular C-H Bond Activation Promoted by a Weak Acid
Koji Ishiwata, Shigeki Kuwata, and Takao Ikariya
Organometallics 2006, 25, 5847-5849.
Synthesis and Reactivity of Tris(7-azaindolyl)boratoruthenium Complex. Comparison with Poly(methimazolyl)borate Analogue
Tomoyuki Saito, Shigeki Kuwata, and Takao Ikariya
Chem. Lett. 2006, 35, 1224-1225.
Electrophilic O-Methylation of a Terminal Nitrosyl Ligand Attained by an Early-Late Heterobimetallic Effect
Kazuya Arashiba, Shoji Matsukawa, Shigeki Kuwata, Yoshiaki Tanabe, Masakazu Iwasaki, and Youichi Ishii
Organometallics 2006, 25, 560-562.
N-Methylhydroxylamido(1-)- and Nitrosomethaneruthenium Complexes Derived from Nitrosyl Complexes: Reversible N-Protonation of an N-Coordinated Nitrosoalkane
Satoshi Kura, Shigeki Kuwata, and Takao Ikariya
Angew. Chem. Int. Ed. 2005, 44, 6406-6409; Angew. Chem. 2005, 117, 6564-6567.
A Cyanamido-Bridged Diiridium Complex: A Reactive Building Block for Polynuclear Cyanamido Complex
Hidenobu Kajitani, Yoshiaki Tanabe, Shigeki Kuwata, Masakazu Iwasaki, and Youichi Ishii
Organometallics 2005, 24, 2251-2254.
Synthesis of (all-rac)-α-Tocopherol in Supercritical Carbon Dioxide: Tuning of the Product Selectivity in Batch and Continuous-Flow Reactors
Yoshiaki Kokubo, Aiko Hasegawa, Shigeki Kuwata, Kazuaki Ishihara, Hisashi Yamamoto, and Takao Ikariya
Adv. Synth. Catal. 2005, 247, 220-224.
Synthesis, Structures, and Solution Behavior of Di- and Trinuclear
Titanium(IV)-Cyclophosphato Complexes
Sou Kamimura, Tsukasa Matsunaga, Shigeki Kuwata, Masakazu Iwasaki, and Youichi Ishii
Inorg. Chem. 2004, 43,
6127-6129.
Synthesis and Characterization of Cyclotetraphosphato Complexes of Rh(I), Ir(I), Ru(II), and Pd(II)
Sou Kamimura, Shigeki Kuwata, Masakazu Iwasaki, and Youichi Ishii
Inorg. Chem. 2004, 43, 399-401.
Syntheses, Structures and Solution Behaviour of Cyclotriphosphato Complexes
of Pd(II), Pt(II) and Pt(IV)
Sou Kamimura, Shigeki Kuwata, Masakazu Iwasaki, and Youichi Ishii
Dalton Trans. 2003, 2666-2673.
Mono(sulfido)-Bridged Unsymmetrical Nitrosyl Complex: Protonation
and Oxidative Addition of Iodine across the Ir(II)-Ir(0) Bond
Takanori Hattori, Shoji Matsukawa, Shigeki Kuwata, Youichi Ishii, and
Masanobu Hidai
Chem. Commun. 2003, 510-511.
Structures and Reactivities of Palladium-Ruthenium Mixed-Metal Sulfido
Clusters Derived from Disulfido- or Hydrosulfido-Bridged Diruthenium Complexes
Shigeki Kuwata, Kohjiro Hashizume, Yasushi Mizobe, and Masanobu Hidai
Organometallics 2002, 21, 5401-5407.
Coordination Behaviour of (Diaryl Disulfide)-Bridged Dinuclear Thiairidaindan
Cores: Ligand Substitution by Isocyanides, CO, Hydrazines, and Hydroxylamine,
and Related Reactions
Shoji Matsukawa, Shigeki Kuwata, Youichi Ishii, and Masanobu Hidai
J. Chem. Soc., Dalton Trans. 2002, 2737-2746.
Sulfur-Bridged Early-Late Heterobimetallics Synthesized by Incorporation
of Titanium, Vanadium, and Molybdenum into Bis(hydrosulfido) Templates
of Group 9 Metals
Shigeki Kuwata, Tatsuya Nagano, Akihiro Matsubayashi, Youichi Ishii,
and Masanobu Hidai
Inorg. Chem. 2002, 41, 4324-4330.
Sulfido-Bridged IrRh2 Clusters Derived from (Hydrogensulfido)iridium
Complexes and Dirhodium Fragment. Comparison between Hydrido-Hydrogensulfido
and Bis(hydrogensulfido) Systems
Akihiro Matsubayashi, Shigeki Kuwata, Youichi Ishii, and Masanobu Hidai
Chem. Lett. 2002, 460-461.
Synthesis and Skeletal Transformations of NCNH- and NCN-Bridged Tetrairidium(III)
Cages
Yoshiaki Tanabe, Shigeki Kuwata, and Youichi Ishii
J. Am. Chem. Soc. 2002,124, 6528-6529.
Development of the Rational Synthetic Routes towards Trinuclear
and Cubane-Type Tetranuclear Mixed-Metal Sulfido Clusters Containing Noble
Metals
Tomotake Ikada, Yasushi Mizobe, Shigeki Kuwata, and Masanobu Hidai
Nippon Kagaku Kaishi, 2001, 493-500. (Japanese)
A Ti2Ru2Pd2 Oxo-Sulfido Cluster
Synthesized by Linking Two Rationally Preorganized TiRuPdS2
Heterotrimetallic Units with an Oxo Ligand: Its Reaction with an Alkyne
Shigeki Kuwata, Shin-ichiro Kabashima, Youichi Ishii, and Masanobu
Hidai
J. Am. Chem. Soc. 2001, 123, 3826-3827.
Synthesis, Structure, and Reactivities of the Five-Coordinate Molybdenum(0)
Mono(acetylene) Complex [Mo(HCCH)(dppe)2]
Hiroshige Ishino, Shigeki Kuwata, Youichi Ishii, and Masanobu Hidai
Organometallics 2001, 20, 13-15.
Synthesis of TiRu2 Heterobimetallic and TiRuM (M = Rh,
Ir, Pd, Pt) Heterotrimetallic Sulfido Clusters from a Hydrosulfido-Bridged
Titanium-Ruthenium Complex
Shigeki Kuwata, Shin-ichiro Kabashima, Nobuyuki Sugiyama, Youichi Ishii,
and Masanobu Hidai
Inorg. Chem. 2001, 40, 2034-2040.
Syntheses, Structures, and Reactivities of Heterobimetallic Bridging
Dinitrogen Complexes Containing Group 6 and Group 4 or 5 Transition Metals
Hiroshige Ishino, Tatsuya Nagano, Shigeki Kuwata, Youhei Yokobayashi,
Youichi Ishii, Masanobu Hidai, and Yasushi Mizobe
Organometallics 2001, 20, 188-198.
Sulfido-Bridged Titanium-Iridium Heterobimetallic Complexes Derived
from an Iridium Hydrosulfido Complex
Tatsuya Nagano, Shigeki Kuwata, Youichi Ishii, and Masanobu Hidai
Organometallics 2000, 19, 4176-4178.
Synthesis and Structures of 1,1'-Ferrocenedithiolato-Bridged Di-
and Trinuclear Ruthenium Complexes
Shin Takemoto, Shigeki Kuwata, Yoshiaki Nishibayashi, and Masanobu
Hidai
Organometallics 2000, 19, 3249-3252.
Reactions of Cationic Dirhodium and Diiridium Complexes [Cp*M(μ-Cl)(μ-SPri)2MCp*][OTf]
(M = Rh, Ir) with Terminal Alkynes. Comparison with the Diruthenium
System
Youichi Ishii, Ken-ichi Ogio, Masayuki Nishio, Mikael Retbφll,
Shigeki Kuwata, Hiroyuki Matsuzaka, and Masanobu Hidai
J. Organomet. Chem. 2000, 599, 221-231.
Crossed Condensation of Two Different Hydrosulfido-Bridged Dinuclear
Complexes: Structures and Reactivities of TiRu3S4
Cubane-Type Sulfido Clusters
Shin-ichiro Kabashima, Shigeki Kuwata, Keiji Ueno, Motoo Shiro, and
Masanobu Hidai
Angew. Chem. Int. Ed. 2000, 39, 1128-1131; Angew.
Chem. 2000, 112, 1150-1153.
Syntheses, Structures, and Reactivities of Mono- and Dinuclear Iridium
Thiolato Complexes Containing Nitrosyl Ligands
Shoji Matsukawa, Shigeki Kuwata, and Masanobu Hidai
Inorg. Chem. 2000, 39, 791-798.
Synthesis and Structure of Trinuclear Ruthenium Cluster Containing
Face-Bridging Selenido Ligands
Yasushi Mizobe, Ken-ichi Toki, Shigeki Kuwata, and Masanobu Hidai
Seisan Kenkyu 1999, 51, 91-94. (Japanese)
Electron-Deficient Early-Late Heterobimetallic Sulfido Clusters.
Unusual Reactivities of Ti2Ru2S4 Cubane-Type
Clusters with Four Cyclopentadienyl Coligands
Shin-ichiro Kabashima, Shigeki Kuwata, and Masanobu Hidai
J. Am. Chem. Soc. 1999, 121, 7837-7845.
Syntheses of Mixed-Metal M2Ti2S4
Cubane-Type Sulfido Clusters (M = Ru, Rh, Ir, Cu) from a Dinuclear Organometallic
Thiotitanate Anion
Takashi Amemiya, Shigeki Kuwata, and Masanobu Hidai
Chem. Commun. 1999, 711-712.
Syntheses and Structures of Mixed-Metal Sulfido Clusters Containing
Incomplete Cubane-Type M2M'S4 and Cubane-Type M2M'2S4
Cores (M = Mo, W; M' = Rh, Ir)
Tomotake Ikada, Shigeki Kuwata, Yasushi Mizobe, and Masanobu Hidai
Inorg. Chem. 1999, 38, 64-69.
Synthesis of Heterobimetallic Fe-M (M = Ni, Pd, Pt) Complexes Containing
the 1,1'-Ferrocenedithiolato Ligand and Their Conversion to Trinuclear
Complexes
Shin Takemoto, Shigeki Kuwata, Yoshiaki Nishibayashi, and Masanobu
Hidai
Inorg. Chem. 1998, 37, 6428-6434.
Reactions of Iridium and Ruthenium Arenethiolato Complexes with Propylene
Sulfide. X-ray Structures of 1-Arylthio-2-propanethiolato-S,S'
Iridium and Ruthenium Complexes
Shoji Matsukawa, Shigeki Kuwata, and Masanobu Hidai
Inorg. Chem. Commun. 1998, 1, 368-371.
Syntheses and Structures of Mixed-Metal Sulfido Clusters Containing
Trimetallic M2M'S4 (M = Mo, W; M' = Pd, Pt) and Tetrametallic
Cubane-Type Mo2Pd2S4 Cores
Tomotake Ikada, Shigeki Kuwata, Yasushi Mizobe, and Masanobu Hidai
Inorg. Chem. 1998, 37, 5793-5797.
Metal-Metal Bonding in Pentanuclear Bow-Tie Metal Sulfido Clusters.
Synthetic and Structural Studies on the Cationic Pentanuclear Clusters
[(Cp*Ir)2(μ3-S)2M(μ3-S)2(IrCp*)2]n+
(M = Fe, Co, Ni;
n = 1, 2)
Zhen Tang, Yasuo Nomura, Shigeki Kuwata, Youichi Ishii, Yasushi Mizobe,
and Masanobu Hidai
Inorg. Chem. 1998, 37, 4909-4920.
Hydrosulfido-Bridged Titanium-Ruthenium Heterobimetallic Complex:
Stepwise Construction of Ti2Ru2S4 Cubane-Type
Sulfido Cluster
Shigeki Kuwata and Masanobu Hidai
Chem. Lett. 1998, 885-886.
Structures and Reactivities of Diruthenium Dithiolene Complexes and
Triruthenium Sulfido Clusters Derived from a Hydrosulfido-Bridged Diruthenium
Complex
Shigeki Kuwata, Masahiro Andou, Kohjiro Hashizume, Yasushi Mizobe,
and Masanobu Hidai
Organometallics 1998, 17, 3429-3436.
Facile N-N Bond Cleavage of Hydrazines at the Coordinatively Unsaturated
Diruthenium Center Bridged by Thiolato Ligands
Shigeki Kuwata, Yasushi Mizobe, and Masanobu Hidai
J. Inorg. Biochem. 1997, 67, 281.
Structural Diversity of Tetranuclear Tungsten Sulfide Clusters:
Syntheses and Crystal Structures of Clusters Containing Raft-Type W4(μ3-S)2(μ-S)4
and Tetrahedral W4(μ-S)6
Cores
Shigeki Kuwata, Yasushi Mizobe, and Masanobu Hidai
J. Chem. Soc., Dalton Trans. 1997, 1753-1758.
Preparation and Properties of Diruthenium Complexes with Bridging
Disulfide and Thiolate Ligands [Cp*Ru(μ-S2)(μ-SR)2RuCp*]
(Cp* = η5-C5Me5;
R = Pri and PhCH2)
Yasushi Mizobe, Masayuki Hosomizu, Shigeki Kuwata, Jun-ichi Kawabata,
and Masanobu Hidai
J. Organomet. Chem. 1996, 513, 231-237.
Syntheses of Tetranuclear Tungsten Sulfide Clusters with Raft-Type
and Tetrahedral Core Structures
Shigeki Kuwata, Yasushi Mizobe, and Masanobu Hidai
J. Chem. Soc., Chem. Commun. 1995, 1057-1058.
Catalytic N-N Bond Cleavage of Hydrazines at the Coordinatively Unsaturated
Diruthenium Center in [Cp*Ru(μ-SR)2RuCp*]
(Cp* = η5-C5Me5;
R = Pri, 2,6-Me2C6H3) and Isolation
of μ-Phenyldiazene Complexes [Cp*Ru(μ-PhN=NH)(μ-SR)2RuCp*]
Shigeki Kuwata, Yasushi Mizobe, and Masanobu Hidai
Inorg. Chem. 1994, 33, 3619-3620.
Reactions of a Diruthenium Complex Bridged by Disulfide and Thiolate
Ligands with Zero-Valent Noble Metal Complexes. Syntheses of Mixed
Metal-Sulfide-Thiolate Clusters Containing Trinuclear PtRu2
and Tetranuclear Pd2Ru2 Cores
Shigeki Kuwata, Yasushi Mizobe, and Masanobu Hidai
J. Am. Chem. Soc. 1993, 115, 8499-8500.
Recent Developments in Reactions and Catalysis of Protic Pyrazole Complexes
Wei-Syuan Lin and Shigeki Kuwata
Molecules 2023, 28, 3529(1-37). (Special Issue: Recent Advances in the Synthesis, Functionalization and Applications of Pyrazole-Type Compounds II)
Coordination Chemistry of Protic Pincer-Type Bis(pyrazolyl)pyridines and Related Compounds
Shigeki Kuwata
Bull. Jpn. Soc. Coord. Chem. 2020, 76, 21-30. [in Japanese]
Complexes Bearing Protic N-Heterocyclic Carbene Ligands
Shigeki Kuwata and F. Ekkehardt Hahn
Chem. Rev. 2018, 118, 9642-9677. (Special Issue: Carbene Chemistry)
Science of Nitrogen Fixation Developed by Cooperation between Chemistry and Biology
Shigeki Kuwata and Masanobu Hidai
J. Synth. Org. Chem. Jpn. 2018, 76, 346-357. [in Japanese]
Metal-Ligand Bifunctional Reactivity and Catalysis of Protic N-Heterocyclic Carbene and Pyrazole Complexes Featuring β-NH Units
Shigeki Kuwata and Takao Ikariya
Chem. Commun. 2014, 50, 14290-14300.
β-Protic Pyrazole and N-Heterocyclic Carbene Complexes: Synthesis, Properties, and Metal-Ligand Cooperating Bifunctional Catalysis
Shigeki Kuwata and Takao Ikariya
Chem. Eur. J. 2011, 17, 3542-3556.
Quest for Metal/NH Bifunctional Bioinspired Catalysis in a Dinuclear Platform
Shigeki Kuwata and Takao Ikariya
Dalton Trans. 2010, 39, 2984-2992.
Aerobic Oxidation with Bifunctional Molecular Catalysts
Takao Ikariya, Shigeki Kuwata, and Yoshihito Kayaki
Pure Appl. Chem. 2010, 82, 1471-1483.
Hydrosulfido Complexes of Transition Metals
Shigeki Kuwata and Masanobu Hidai
Coord. Chem. Rev. 2001, 213, 211-305.
Synthesis and Reactivities of Cubane-Type Sulfido Clusters Containing
Noble Metals
Masanobu Hidai, Shigeki Kuwata, and Yasushi Mizobe
Acc. Chem. Res. 2000, 33, 46-52.
Hydrogenation of Organic Compounds
Shigeki Kuwata
In Redox-based Catalytic Chemistry of Transition Metal Complexes,
Kojima, T., Ed.; Royal Society of Chemistry,
2024; pp 231-246. (ISBN: 978-1-83767-469-5)
Understanding Unusual Element-Element Bond Formation and Activation: General Discussion
Yutaka Aoki, Thomas Braun, David Davies, Odile Eisenstein, Ian Fairlamb, Natalie Fey, Mike George, Christopher Goult, Alexander Hamilton, Zhiliang Huang, Youichi Ishii, Martin Jakoobi, Shigeki Kuwata, Guy Lloyd-Jones, Jennifer Love, Jason Lynam, Stuart Macgregor, Todd B. Marder, Patrick Morgan, Joseph Mwansa, Aaron Odom, Robin Perutz, Markus Reiher, John Slattery, Maria Talavera, Gilian Thomas, and Chun-Yuen Wong
Faraday Discuss. 2019, 220, 376-385.
Mechanistic Insight into Organic and Industrial Transformations: General Discussion
Yutaka Aoki, Matthias Bauer, Thomas Braun, Jamie A. Cadge, George E. Clarke, Derek J. Durand, Odile Eisenstein, Simone Gallarati, Megan Greaves, Jeremy Harvey, Anthony Haynes, Ulrich Hintermair, Alison N. Hulme, Youichi Ishii, Martin Jakoobi, Vidar R. Jensen, Pierre Kennepohl, Shigeki Kuwata, Aiwen Lei, Guy Lloyd-Jones, Jennifer Love, Jason Lynam, Stuart Macgregor, Robert H. Morris, David Nelson, Aaron Odom, Robin Perutz, Markus Reiher, Joseph Renny, Jana Roithova, Laurel Schafer, Samuel Scott, Peter W. Seavill, John Slattery, Toshiro Takao, James Walton, Jonathan D. Wilden, Chun-Yuen Wong,
and Tom Young
Faraday Discuss. 2019, 220, 282-316.
Physical Methods for Mechanistic Understanding: General Discussion
Yutaka Aoki, Matthias Bauer, Thomas Braun, Jamie Cadge, David Davies, Derek J. Durand, Odile Eisenstein, Daniel Ess, Ian Fairlamb, Natalie Fey, Simone Gallarati, Mike George, Megan Greaves, Meghan Halse, Alexander Hamilton, Jeremy Harvey, Anthony Haynes, Ulrich Hintermair, Alison N. Hulme, Youichi Ishii, Martin Jakoobi, Vidar R. Jensen, Pierre Kennepohl, Shigeki Kuwata, Aiwen Lei, Guy Lloyd-Jones, Jennifer Love, Kevin Lovelock, Jason Lynam, Stuart Macgregor, Todd B. Marder,; Evert Jan Meijer, Patrick Morgan, Robert H. Morris, Joseph Mwansa, David Nelson, Aaron Odom, Robin Perutz, Markus Reiher, Joseph Renny, Jana Roithova, Laurel Schafer, David Schilter, Samuel Scott, John Slattery, James Walton, Jonathan D. Wilden, Chun-Yuen Wong, Tolga Yaman, Tom Young
Faraday Discuss. 2019, 220, 144-178.
Design of Multiproton-Responsive Metal Complexes as Molecular Technology for Transformation of Small Molecules
Shigeki Kuwata
In Molecular Technology: Energy Innovation,
Yamamoto, H.; Kato, T., Eds.; Wiley-VCH,
2018; pp 81-103. (ISBN: 978-3-527-34163-4)
Novel Chemical Transformations at the Diruthenium Centres Bridged
by Thiolato Ligands
Masanobu Hidai, Youichi Ishii, and Shigeki Kuwata
In Modern Coordination Chemistry: The Legacy of Joseph Chatt,
Leigh, G. J.; Winterton, N., Eds.; The Royal Society of Chemistry: Cambridge,
2002; pp 208-216.(ISBN: 0-85404-469-8)
Chemistry of Metal Sulfur Clusters
Shigeki Kuwata and Masanobu Hidai
Gendai Kagaku 1997, 314, 32-37. [in Japanese]