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Papers

  1. Alkoxide-Decorated Copper Nanoparticles on Amidine-Modified Polymers as Hydrogenation Catalysts for Enabling H2 Heterolysis
    R. Watari, T. Itoh, S. Kuwata, Y. Kayaki
    ACS Catal. 2023, 13, 5159-5169. 
  2. Regioselective Transfer Hydrogenative Defluorination of Polyfluoroarenes Catalyzed by Bifunctional Azairidacycle
    A. Matsunami, S. Kuwata, Y. Kayaki
    Organics 2022, 3, 150-160. 
  3. Asymmetric Transfer Hydrogenative Amination of Benzylic Ketones Catalyzed by Cp*Ir(III) Complexes Bearing a Chiral N-(2-Picolyl)sulfonamidato Ligand
    T. Kawada, K. Yabushita, T. Yasuda, T. Ohta, T. Yajima, K. Tanaka, N. Utsumi, M. Watanabe, K. Murata, Y. Kayaki, S. Kuwata, T. Katayama
    J. Org. Chem. 2022, 87, 8458-8468. 
  4. Synthesis of N,O-Chelating Hydrazidopalladium Complexes from 1,2-Bis(trifluoroacetyl)hydrazine
    Y. Kayaki, T. Hayakawa, T. Ikariya
    Inorganics 2021, 9, 76(1-11). 
  5. New Approach to Recycling of Epoxy Resin Using Nitric Acid: Regeneration of Decomposed Products through Hydrogenation
    T. Hanaoka, Y. Arao, Y. Kayaki, S. Kuwata, M. Kubouchi
    ACS Sustainable Chem. Eng. 2021, 9, 12520-12529. 
  6. Oxy-Tethered Cp*Ir(III) Complex as a Competent Catalyst for Selective Dehydrogenation from Formic Acid
    H. Nakamura, M. Yoshida, A. Matsunami, S. Kuwata, Y. Kayaki
    Chem. Commun. 2021, 57, 5534-5537. 
  7. Convincing Catalytic Performance of Oxo-Tethered Ruthenium Complexes for Asymmetric Transfer Hydrogenation of Cyclic α‐Halogenated Ketones through Dynamic Kinetic Resolution
    T. Touge, H. Nara, M. Kida, K. Matsumura, Y. Kayaki
    Org. Lett. 2021, 23, 3070-3075. 
  8. Analysis of Nitric Acid Decomposition of Epoxy Resin Network Structures for Chemical Recycling
    T. Hanaoka, Y. Arao, Y. Kayaki, S. Kuwata, M. Kubouchi
    Polym. Degrad. Stab. 2021, 186, 109537(1-8). 
  9. New Bifunctional Bis(azairidacycle) with Axial Chirality via Double Cyclometalation of 2,2'-Bis(aminomethyl)-1,1'-binaphtyl
    Y. Sato, Y. Kawata, S. Yasui, Y. Kayaki, T. Ikariya
    Molecules 2021, 26, 1165(1-12). 
  10. The Activation of Furfuryl Alcohol Polymerization by Oxygen and Its Enhanced Mechanical Properties
    K. Shibutani, J. Nakai, K. Aphichartsuphapkhajorn, Y. Kayaki, S. Kuwata, Y. Arao, M. Kubouchi
    J. Appl. Polym. Sci. 2021, 138, e50311(1-10).  
  11. Transfer hydrogenation of Carbon Dioxide via Bicarbonate Promoted by Bifunctional C-N Chelating Cp*Ir Complexes
    Y. Sato, Y. Kayaki, T. Ikariya
    Chem. Commun. 2020, 56, 10762-10765. 
  12. Amidines as Effective Ancillary Ligands in Copper-Catalyzed Hydrogenation of Carbon Dioxide
    R. Watari, S. Kuwata, Y. Kayaki
    Chem. Lett. 2020, 49, 252-254. 
  13. Formal Deoxygenative Hydrogenation of Lactams Using PNHP‐Pincer Ruthenium Complexes under Nonacidic Conditions
    O. Ogara, H. Nara, K. Matsumura, Y. Kayaki
    Org. Lett. 2019, 21, 9954-9959. 
  14. Synthesis of a Half-Sandwich Hydroxidoiridium(III) Complex Bearing a Nonprotic N-Sulfonyldiamine Ligand and Its Transformations Triggered by the Brøsted Basicity
    S. Kamezaki, Y. Kayaki, S. Kuwata, T. Ikariya
    Inorganics 2019, 7, 125 (8 pages). 
  15. Multiple Absolute Stereocontrol in Cascade Lactone Formation via Dynamic Kinetic Resolution Driven by the Asymmetric Transfer Hydrogenation of Keto Acids with Oxo-Tethered Ruthenium Catalysts
    T. Touge, K. Sakaguchi, N. Tamaki, H. Nara, T. Yokozawa, K. Matsumura, Y. Kayaki
    J. Am. Chem. Soc. 2019, 141, 16354-16361. 
  16. Reductive Amination of Ketonic Compounds Catalyzed by Cp*Ir(III) Complexes Bearing Picolinamidato Ligands
    K. Tanaka, T. Miki, K. Murata, A. Yamaguchi, Y. Kayaki, S. Kuwata, T. Ikariya, M. Watanabe
    J. Org. Chem. 2019, 84, 10962-10977. 
  17. A P-C Chelate, Protic 1,2-Dihydropyridin-2-ylidene Ruthenium Complex: Synthesis, Structure, and Reversible Deprotonation
    N. Tashima, T. Sawazaki, Y. Kayaki, S. Kuwata
    Chem. Lett. 2019, 48, 787-790. 
  18. Catalytic Hydrogenation of Carboxamides with a Bifunctional Cp*Ru Catalyst Bearing an Imidazol-2-ylidene with a Protic Aminoethyl Side Chain
    T. Kawano, R. Watari, Y. Kayaki, T. Ikariya
    Synthesis 2019, 51, 2542-2547. 
  19. Poly(ethyleneimine)s-Mediated Consecutive Hydrogenation of Carbon Dioxide to Methanol with Ru Catalysts
    A. Yoshimura, R. Watari, S. Kuwata, Y. Kayaki
    Eur. J. Inorg. Chem. 2019, 2375-2380. 
  20. Cleavage of N-H Bond of Ammonia via Metal-Ligand Cooperation Enables Rational Design of a Conceptually New Noyori-Ikariya Catalyst
    P. A. Dub, A. Matsunami, S. Kuwata, Y. Kayaki
    J. Am. Chem. Soc. 2019, 141, 2661-2677. 
  21. Synthesis and Reactivity of Cp*IrIII Complexes with a C-S Chelate Displaying Metal/Sulfur Bifunctionality
    N. Yamamoto, Y. Sato, Y. Kayaki, T. Ikariya
    Organometallics 2018, 37, 3342-3352. 
  22. Accessible Bifunctional Oxy-tethered Ruthenium(II) Catalysts for Asymmetric Transfer Hydrogenation
    A. Matsunami, M. Ikeda, H. Nakamura, M. Yoshida, S. Kuwata, Y. Kayaki
    Org. Lett. 2018, 20, 5213-5218. 
  23. N-Monomethylation of Aromatic Amines with Methanol via PNHP-Pincer Ru Catalysts
    O. Ogata, H. Nara, M. Fujiwhara, K. Matsumura, Y. Kayaki
    Org. Lett. 2018, 20, 3866-3870. 
  24. Nucleophilic Aromatic Substitution in Hydrodefluorination Exemplified by Hydridoiridium(III) Complexes with Fluorinated Phenylsulfonyl-1,2-diphenylethylenediamine Ligands
    A. Matsunami, Y. Kayaki, S. Kuwata, T. Ikariya
    Organometallics 2018, 37, 1958-1969. 
  25. Hydrogen Evolution from Formic Acid and Hydrodefluorination of Fluoroarenes by Bifunctional Iridium Catalysts --- Beyond the Transfer Hydrogenation
    A. Matsunami, S. Kuwata, Y. Kayaki
    J. Synth. Org. Chem. Jpn.2018, 76, 315-324. 
  26. Selective Asymmetric Transfer Hydrogenation of α-Substituted Acetophenones with Bifunctional Oxo-Tethered Ruthenium(II) Catalysts
    Y. Yuki, T. Touge, H. Nara, K. Matsumura, M. Fujiwhara, Y. Kayaki, T. Ikariya
    Adv. Synth. Catal. 2018, 360, 568-574. 
  27. Protic NNN and NCN Pincer-Type Ruthenium Complexes Featuring (Trifluoromethyl)pyrazole Arms: Synthesis and Application to Catalytic Hydrogen Evolution from Formic Acid
    Y. Nakahara, T. Toda, A. Matsunami, Y. Kayaki, S. Kuwata
    Chem. Asian J. 2018, 13, 73-80. 
  28. 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
    R. Watari, N. Matsumoto, S. Kuwata, Y. Kayaki
    ChemCatChem 2017, 9, 4501-4507. 
  29. Development of Homogeneous Hydrogenation of Carbon Dioxide to Formate Catalyzed by Copper Complexes
    R. Watari, Y. Kayaki, S.-i. Hirano, N. Matsumoto, T. Ikariya
    Energy Procedia 2017, 114, 7150-7153. 
  30. A Bifunctional Iridium Catalyst Modified for Persistent Hydrogen Generation from Formic Acid: Understanding Deactivation via Cyclometalation of a 1,2-Diphenylethylenediamine Motif
    A. Matsunami, S. Kuwata, Y. Kayaki
    ACS Catal. 2017, 7, 4479-4484. 
  31. Comparative Study of Bifunctional Mononuclear and Dinuclear Amidoiridium Complexes with Chiral C-N Chelating Ligands for the Asymmetric Transfer Hydrogenation of Ketones
    Y. Sato, Y. Kayaki, T. Ikariya
    Chem. Asian J. 2016, 11, 2924-2931. 
  32. Efficient Access to Chiral Benzhydrols via Asymmetric Transfer Hydrogenation of Unsymmetrical Benzophenones with Bifunctional Oxo-tethered Ruthenium Catalysts
    T. Touge, H. Nara, M. Fujiwhara, Y. Kayaki, T. Ikariya
    J. Am. Chem. Soc. 2016, 138, 10084-10087. 
  33. Atmospheric Hydrogenation of Esters Catalyzed by PNP-Ruthenium Complexes with an N-Heterocyclic Carbene Ligand
    O. Ogata, Y. Nakayama, H. Nara, M. Fujiwhara, Y. Kayaki
    Org. Lett. 2016, 18, 3894-3897. 
  34. Hydrodefluorination of Fluoroarenes Using Hydrogen Transfer Catalysts with a Bifunctional Iridium/NH Moiety
    A. Matsunami, S. Kuwata, Y. Kayaki
    ACS Catal. 2016, 6, 5181-5185. 
  35. Cationic Iridium and Rhodium Complexes with C-N Chelating Primary Benzylic Amine Ligands as Potent Catalysts for Hydrogenation of Unsaturated Carbon-Nitrogen Bonds
    Y. Sato, Y. Kayaki, T. Ikariya
    Organometallics 2016, 35, 1257-1264. 
  36. Mechanistic Aspects of the Carboxylative Cyclization of Propargylamines and Carbon Dioxide Catalyzed by Gold(I) Complexes Bearing an N-Heterocyclic Carbene Ligand
    S. Hase, Y. Kayaki, T. Ikariya
    ACS Catal. 2015, 5, 5135-5140. 
  37. Enhanced Hydrogen Generation from Formic Acid by Half-Sandwich Ir(III) Complexes with Metal/NH Bifunctionality: A Pronounced Switch from Transfer Hydrogenation
    A. Matsunami, Y. Kayaki, T. Ikariya
    Chem Eur. J. 2015, 21, 13513-13517. 
  38. Highly Selective Carboxylative Cyclization of Allenylmethylamines with Carbon Dioxide Using N-Heterocyclic Carbene-Silver Catalysts
    K. Yamashita, S. Hase, Y. Kayaki, T. Ikariya
    Org. Lett. 2015, 17, 2334-2337. 
  39. Hydrogenation of Carbon Dioxide to Formate Catalyzed by a Copper/1,8-Diazabicyclo[5.4.0]undec-7-ene System
    R. Watari, Y. Kayaki, S.-i. Hirano, N. Matsumoto, T. Ikariya
    Adv. Synth. Catal. 2015, 357, 1369-1373. Selected as VIP (Very Important Publication). 
  40. Azametallametallocene Formation via Double sp3 C-H Activation of 6-Substituted Toluidines by a Half-sandwich Acetatoiridium Complex
    Y. Sato, Y. Kayaki, T. Ikariya
    Chem. Lett. 2015, 44, 188-190. 
  41. Advantageous Asymmetric Ketone Reduction with Competitive Hydrogenation/Transfer Hydrogenation System Using Chiral Bifunctional Iridium Catalysts
    J. Moritani, Y. Kayaki, T. Ikariya
    RSC Adv. 2014, 4(105), 61001-61004. 
  42. Heterolysis of NH-Indoles by Bifunctional Amido Complexes and Applications to Carboxylation with Carbon Dioxide
    A. Ueno, Y. Kayaki, T. Ikariya
    Organometallics 2014, 33, 4479-4485. 
  43. Aerobic Oxidative Desymmetrization of meso-Diols with Bifunctional Amidoiridium Catalysts Bearing Chiral N-Sulfonyldiamine Ligands
    J. Moritani, Y. Hasegawa, Y. Kayaki, T. Ikariya
    Tetrahedron Lett. 2014, 55, 1188-1191. 
  44. NHC-Gold(I) Complexes as Effective Catalysts for Carboxylative Cyclization of Propargylamines with Carbon Dioxide
    S. Hase, Y. Kayaki, T. Ikariya
    Organometallics 2013, 32, 5285-5288. 
  45. Cycloaddition of Tertiary Aziridines and Carbon Dioxide Using a Recyclable Organocatalyst, 1,3-Di-tert-butylimidazolium-2-carboxylate: A Straightforward Access to 3-Substituted 2-Oxazolidones
    A. Ueno, Y. Kayaki, T. Ikariya
    Green Chem. 2013, 15, 425-430. 
  46. Efficient Dynamic Kinetic Resolution of Racemic Secondary Alcohols by a Chemoenzymatic System Using Bifunctional Iridium Complexes with C-N Chelate Amido Ligands
    Y. Sato, Y. Kayaki, T. Ikariya
    Chem. Commun. 2012, 58, 3635-3687. 
  47. Studies on Solubility of Uranyl Complexes in Supercritical Carbon Dioxide and Its Controlling Factors Using UV-Visible and 17O- and 19F-NMR Spectroscopy
    N. Miyamoto, T. Tsukahara, Y. Kachi, M. Harada, Y. Kayaki, T. Ikariya, Y. Ikeda
    J. Nucl. Sci. Technol. 2012, 49, 37-46. 
  48. Oxo-Tethered Ruthenium(II) Complex as a Bifunctional Catalyst for Asymmetric Transfer Hydrogenation and H2 Hydrogenation
    T. Touge, T. Hakamata, H. Nara, T. Kobayashi, N. Sayo, T. Saito, Y. Kayaki, T. Ikariya
    J. Am. Chem. Soc. 2011, 133, 14960-14963. 
  49. Asymmetric Nitrile-Hydration with Bifunctional Ruthenium Catalysts Bearing Chiral N-Sulfonyldiamine Ligands
    S. Kamezaki, S. Akiyama, Y. Kayaki, S. Kuwata, T. Ikariya
    Tetrahedron: Asymmetry 2010, 21, 1169-1172. 
  50. Palladium-Catalyzed Carboxylative Cyclization of α-Allenyl Amines in Dense Carbon Dioxide
    Y. Kayaki, N. Mori, T. Ikariya
    Tetrahedron Lett. 2009, 50, 6491-6493. 
  51. N-Heterocyclic Carbenes as Efficient Organocatalysts for CO2 Fixation Reactions
    Y. Kayaki, M. Yamamoto, T. Ikariya
    Angew. Chem. Int. Ed. 2009, 48, 4194-4197. Selected as a Hot Paper. 
  52. Remarkable Positive Effect of Silver Salts on Asymmetric Hydrogenation of Acyclic Imines with Cp*Ir Complexes Bearing Chiral N-Sulfonylated Diamine Ligands
    S. Shirai, Y. Kayaki, T. Ikariya
    Organometallics 2009, 28, 802-809. 
  53. Mesoporous Silica-catalysed Continuous Chemical Fixation of CO2 with N,N'-Dimethylethylenediamine in Supercritical CO2: Efficient Synthesis of 1,3-Dimethyl-2-imidazolidinone
    T. Seki, Y. Kokubo, S. Ichikawa, T. Suzuki, Y. Kayaki, T. Ikariya
    Chem. Commun. 2009, 55, 349-351. 
  54. 1H-, 13C-, and 19F-NMR Studies on Molecular Interactions of CO2 with β-diketones and UO2(β-diketonato)2DMSO Complexes in Supercritical CO2
    T. Tsukahara, Y. Kachi, Y. Kayaki, T. Ikariya, Y. Ikeda
    J. Phys. Chem. B 2008, 112, 16445-16454. 
  55. Utilization of N,N-Dialkylcarbamic Acid Derived from Secondary Amine and Supercritical Carbon Dioxide: Stereoselective Synthesis of Z-Alkenyl Carbamates with a CO2-Soluble Ruthenium-P(OC2H5)3 Catalyst
    Y. Kayaki, T. Suzuki, T. Ikariya
    Chem. Asian J. 2008, 3, 1865-1870. 
  56. Catalytic Behavior of Cationic Hydridoruthenium(II) Complex, [RuH(NH3)(PMe3)4]+, in H2-Hydrogenation and Transfer Hydrogenation of Imines
    Y. Kayaki, H. Ikeda, J.-I. Tsurumaki, I. Shimizu, A. Yamamoto
    Bull. Chem. Soc. Jpn. 2008, 81, 1053-1061. Selected as a BCSJ Award Article. 
  57. Aerobic Oxidation of Alcohols with Bifunctional Transition Metal Catalysts Bearing C-N Chelate Ligands
    S. Arita, T. Koike, Y. Kayaki, T. Ikariya
    Chem. Asian J. 2008, 3, 1479-1485. 
  58. Synthesis and Reactivities of Cp*Ir Amide and Hydride Complexes Bearing C-N Chelate Ligands
    S. Arita, T. Koike, Y. Kayaki, T. Ikariya
    Organometallics 2008, 27, 2795-2802. 
  59. Aerobic Oxidative Kinetic Resolution of Racemic Secondary Alcohols with Chiral Bifunctional Amido Complexes
    S. Arita, T. Koike, Y. Kayaki, T. Ikariya
    Angew. Chem. Int. Ed. 2008, 47, 2447-2449. Selected as VIP (Very Important Paper). 
  60. Comparative Studies on Exchange Reactions of Hexafluoroacetylacetonate in Bis(hexafluoroacetylacetonato)(dimethyl sulfoxide)dioxouranium(VI) in Nonaqueous Solvent and Supercritical CO2
    Y. Kachi, Y. Kayaki, T. Tsukahara, T. Ikariya, Y. Ikeda
    Inorg. Chem. 2008, 47, 349-359. 
  61. Synthesis of Ruthenium(II) Complexes Containing Hydroxymethylphosphines and Their Catalytic Activities for Hydrogenation of Supercritical Carbon Dioxide
    Y. Kayaki, Y. Shimokawatoko, T. Ikariya
    Inorg. Chem. 2007, 46, 5791-5797. 
  62. Raman Spectral Shifts of CO2 as Measure of CO2-philicity of Solutes in Supercritical Carbon Dioxide
    T. Tsukahara, Y. Kachi, Y. Kayaki, T. Ikariya, Y. Ikeda
    J. Supercrit.Fluids 2007, 40, 20-26. 
  63. Stereoselective Formation of α-Alkylidene Cyclic Carbonates via Carboxylative Cyclization of Propargyl Alcohols in Supercritical Carbon Dioxide
    Y. Kayaki, M. Yamamoto, T. Ikariya
    J. Org. Chem. 2007, 72,647-649. 
  64. Carboxylative Cyclization of Propargylamines with Supercritical Carbon Dioxide
    Y. Kayaki, M. Yamamoto, T. Suzuki, T. Ikariya
    Green Chem. 2006, 8,1019-1021. 
  65. Spectroscopic Study on Solubility of UO2(β-diketonate)2dmso Complexes (β-diketonate = Acetylacetonate, Trifluoroacetylacetonate, Hexafluoroacetylacetonate; dmso = Dimethyl Sulfoxide) in Supercritical Carbon Dioxide
    T. Tsukahara, Y. Kachi, Y. Kayaki, T. Ikariya, Y. Ikeda
    J. Supercrit.Fluids 2006, 39, 6-12. 
  66. Aliphatic Poly(urethane-amine)s Synthesized by Copolymerization of Aziridines and Supercritical Carbon Dioxide
    O. Ihata, Y. Kayaki, T. Ikariya
    Macromolecules 2005, 38, 6429-6434. 
  67. 超臨界二酸化炭素とアジリジン類の共重合物ポリ（ウレタン−アミン）の温度応答挙動の制御
    井畑理, 榧木啓人, 碇屋隆雄
    高分子論文集 2005, 62, 196-199. 
  68. Double Stimuli-responsive Behavior of Aliphatic Poly(urethane-amine)s Derived from Supercritical Carbon Dioxide
    O. Ihata, Y. Kayaki, T. Ikariya
    Chem. Commun. 2005, 51, 2268-2270. 
  69. A Highly Effective (Triphenyl phosphite)palladium Catalyst for a Cross-Coupling Reaction of Allylic Alcohols with Organoboronic Acids
    Y. Kayaki, T. Koda, T. Ikariya
    Eur. J. Org. Chem. 2004, 4989-4993. 
  70. Selective Oxidative Carbonylation of Amines to Oxamides and Ureas by Palladium Complexes
    K. Hiwatari, Y. Kayaki, K. Okita, T. Ukai, I. Shimizu, A. Yamamoto
    Bull. Chem. Soc. Jpn. 2004, 77, 2237-2250. Named as a Selected Paper. 
  71. 13C-NMR Spectroscopic Evaluation of the Affinity of Carbonyl Compounds for Carbon Dioxide under Supercritical Conditions
    T. Tsukahara, Y. Kayaki, T. Ikariya, Y. Ikeda
    Angew. Chem. Int. Ed. 2004, 43, 3719-3722. 
  72. A Halide-Free Dehydrative Allylation Using Allylic Alcohols Promoted by a Palladium-Triphenyl Phosphite Catalyst
    Y. Kayaki, T. Koda, T. Ikariya
    J. Org. Chem. 2004, 69, 2595-2597. 
  73. Synthesis of Thermoresponsive Polyurethane from 2-Methylaziridine and Supercritical Carbon Dioxide
    O. Ihata, Y. Kayaki, T. Ikariya
    Angew. Chem. Int. Ed. 2004, 43, 717-719. 
  74. Amphiphilic Resin-Supported Ruthenium(II) Complexes as Recyclable Catalysts for the Hydrogenation of Supercritical Carbon Dioxide
    Y. Kayaki, Y. Shimokawatoko, T. Ikariya
    Adv. Symth. Catal. 2003, 345, 175-179. 
  75. NMR Observation of Trialkylphosphite-Palladium(II) and -Ruthenium(II) Complexes in Supercritical Carbon Dioxide
    Y. Kayaki, T. Suzuki, Y. Noguchi, S. Sakurai, M. Imanari, T. Ikariya
    Chem. Lett. 2002, 31, 424-425. 
  76. Water-Soluble Trialkylphosphine-Ruthenium(II) Complexes as Efficient Catalysts for Hydrogenation of Supercritical Carbon Dioxide
    Y. Kayaki, T. Suzuki, T. Ikariya
    Chem. Lett. 2001, 30, 1016-1017. 
  77. Experimental and Theoretical Studies on the Course of CO Insertion into Pt-C and Pd-C Bonds in Neutral and Cationic Complexes, [MR(Cl){P(CH3)3}2] and [MR{P(CH3)3}2(s)]+BF4- (M = Pt, Pd, R = CH3, C6H5, s = coordinated solvent)
    Y. Kayaki, H. Tsukamoto, M. Kaneko, I. Shimizu, A. Yamamoto, M. Tachikawa, T. Nakajima
    J. Organomet. Chem. 2001, 622, 199-209. 
  78. Highly Efficient Carbonylation Reactions of Organic Halides in Supercritical Carbon Dioxide
    T. Ikariya, Y. Kayaki, Y. Kishimoto, Y. Noguchi
    Prog. Nucl. Energy 2000, 37, 429-434. 
  79. Enhanced Product Selectivity in the Mizoroki-Heck Reaction Using a Supercritical Carbon Dioxide-Liquid Biphasic System
    Y. Kayaki, Y. Noguchi, T. Ikariya
    Chem. Commun. 2000, 46, 2245-2246. 
  80. Asymmetric Mukaiyama Aldol Reaction of a Ketene Silyl Acetal of Thioester Catalyzed by a Binaphthol-Titanium Complex in Supercritical Fluoroform
    K, Mikami, S. Matsukawa, Y. Kayaki, T. Ikariya
    Tetrahedron Lett. 2000, 41, 1931-1934. 
  81. An Efficient Carbonylation of Aryl Halides Catalysed by Palladium Complexes with Phosphite Ligands in Supercritical Carbon Dioxide
    Y. Kayaki, Yushi Noguchi, Seiji Iwasa, Takao Ikariya, Ryoji Noyori
    Chem. Commun. 1999, 45, 1235-1236. 
  82. Formation of a Palladalactone Complex by C-O Bond-Cleavage of Diketene Promoted by a Zerovalent Palladium Complex
    R. Kakino, K. Nagayama, Y. Kayaki, I. Shimizu, A. Yamamoto
    Chem. Lett. 1999, 28, 685-686. 
  83. Synthesis and Properties of Dimethylbis(Phosphite)Palladium(II) and Monomethylbis(phosphite)Palladium(II) Complexes
    Y. Kayaki, I. Shimizu, A. Yamamoto
    Bull. Chem. Soc. Jpn. 1997, 70, 1141-1147. 
  84. Removal of a Palladium-Bound Tertiary Phosphine Ligand with Silver(I) Salts to Generate Cationic Monoorganopalladium(II) Complexes Having One Trimethylphosphine Ligand
    Y. Kayaki, I. Shimizu, A. Yamamoto
    Bull. Chem. Soc. Jpn. 1997, 70, 1135-1140. 
  85. Comparison of the Reactivities of Neutral and Cationic Organopalladium Complexes Toward CO, Isocyanides, and Olefins
    Y. Kayaki, I. Shimizu, A. Yamamoto
    Bull. Chem. Soc. Jpn. 1997, 70, 917-927. 
  86. Reactivities of Neutral and Cationic Organopalladium Complexes
    Y. Kayaki, I. Shimizu, A. Yamamoto
    Chem. Lett. 1995, 24, 1089-1090. 
  87. Remarkable Rate Enhancement in CO Insertion into Pd-C Bond by Generating Cationic Organopalladium Complexes (PdR(S)L2)+BF4- (R = Alkyl Group, S = Acetone, L = Phosphine-Ligands) from Neutral Monoorganopalladium Complexes (PdR(X)L2) (X = Halide)
    Y. Kayaki, F. Kawataka, I. Shimizu, A. Yamamoto
    Chem. Lett. 1994, 23, 2171-2174. 
  88. Synthesis and Thermolysis Behavior of Monoethylpalladium Complexes, EtPd(X)(PMe3)2 (X = Electronegative Ligands)
    F. Kawataka, Y. Kayaki, I. Shimizu, A. Yamamoto
    Organometallics 1994, 13, 3517-3524. 



Accounts, Review

  1. Harmonious Hydrogenation Catalysis
    Y. Kayaki, R.Watari,
    Nat. Catal.2018, 1, 739-740. 
  2. Copper Catalysts Unleashing the Potential for Hydrogenation of Carbon‐Oxygen Bonds
    R.Watari, Y. Kayaki
    Asian J. Org. Chem.2018, 3, 2005-2014. 
  3. Upgrading and Expanding the Scope of Homogeneous Transfer Hydrogenation
    A. Matsunami, Y. Kayaki
    Tetrahedron Lett.2018, 59, 504-513. 
  4. Dehydrogenation
    Y. Kayaki, T.Ikariya
    Science of Synthesis: Catalytic Oxidation in Organic Synthesis 2017, 1, 81-112. 
  5. Synthetic Chemistry of Alkenylgold Complexes Associated with Catalytic Intermediates
    Y. Kayaki
    Bull. Jpn. Soc. Coord. Chem., 2015, 66, 3-11. 
  6. Hydrogenation of Carboxylic Acid Derivatives with Bifunctional Ruthenium Catalysts
    T. Ikariya, Y. Kayaki
    Pure Appl. Chem. 2014, 86, 933-943. 
  7. Bifunctional Molecular Catalysts with Cooperating Amine/Amido Ligands
    Y. Kayaki, T. Ikariya
    TCI Mail 2012, 147, 2-9. 
  8. Aerobic Oxidation with Bifunctional Molecular Catalysts
    T. Ikariya, S. Kuwata, Y. Kayaki
    Pure Appl. Chem. 2010, 82, 1471-1483. 
  9. Organic Syntheses in Supercritical Fluids Directed towards Green Chemistry
    Y. Kayaki, T. Ikariya
    J. Synth. Org. Chem. Jpn. 2003, 61, 472-483. 
  10. Supercritical Fluids as Reaction Media for Molecular Catalysis
    T. Ikariya, Y. Kayaki
    Catal. Surv. Jpn. 2000, 4, 39-50. 
  11. Chemistry of Monoorganopalladium Complexes Relevant to Catalysis
    A. Yamamoto, Y. Kayaki, K. Nagayama, I. Shimizu
    Synlett 2000, 925-937. 
  12. Synthesis and Reactivities of Organopalladium Complexes as Models for Active Species in Catalytic Reactions
    Y. Kayaki, A. Yamamoto
    J. Synth. Org. Chem. Jpn. 1998, 56, 96-106. 



Books

  1. Transfer Hydrogenation of Ketones to Alcohols
    Asuka Matsunami, Yoshihito Kayaki, and Takao Ikariya
    Science of Synthesis Reference Library: Catalytic Reduction in Organic Synthesis Vol. 2 2018, 47-92. 10.1055/sos-SD-227-00014.  
  2. Rhodium, [N-[(1S,2S)-2-(Amino-κN)-1,2-diphenylethyl]- 4-methylbenzenesulfonamidato-κN]chloro[(1,2,3,4,5-η)-1,2,3,4,5-pentamethyl-2,4,-cyclopentadien-1-yl ]-, Stereoisomer
    T. Ikariya, Y. Kayaki
    "e-EROS Encyclopedia of Reagents for Organic Synthesis" John Wiley&Sons, RN01400, (2012). DOI: 10.1002/047084289X.rn01400; Online ISBN: 978047084289. 
  3. Kinetic Study on Exchange Reaction of Hexafluoroacetylacetonate in Bis(hexafluoroacetylacetonato)(dimethyl sulfoxide)dioxouranium(VI) in Supercritical CO2 by 19F NMR
    Y. Kachi, Y. Kayaki, T. Tsukahara, T. Ikariya, Y. Ikeda
    "Recent Advances in Actinide Science" eds. by I. May, R. Alvares, N. Bryan, RSC Publishing, pp. 566-568 (2006). 
  4. Solubility of UO2(β-diketonato)2DMSO Complexes (β-diketonate = acetylacetonate, trifluoroacetylacetonate, hexafluoroacetylacetonate; DMSO = dimethyl sulfoxide) in Supercritical CO2
    T. Tsukahara, Y. Kachi, Y. Kayaki, T. Ikariya, Y. Ikeda
    "Recent Advances in Actinide Science" eds. by I. May, R. Alvares, N. Bryan, RSC Publishing, pp. 563-565 (2006). 
  5. 1,1-Insertion into Metal-Carbon Bond
    Y. Kayaki, A. Yamamoto
    "Fundamentals of Molecular Catalysis" eds. by A. Yamamoto, H. Kurosawa, Elsevier, pp. 373-409 (2003). 
  6. Organic and Catalytic Reactions in Supercritical Carbon Dioxide
    T. Ikariya, Y. Kayaki
    "Supercritical Fluids-Molecular Interactions, Physical Properties, and New Applications" eds. by Y. Arai, T. Sako, Y. Takebayashi, Splinger -Verlag, pp. 381-403 (2001). 



Patent

  1. Catalyst or its precursor using transition metal element, method for hydrogenation of carbon dioxide using the same and method for producing formic acid salt
    JP 2016047487 A 20160407
    R. Watari, Y. Kayaki, S. Hirano, N. Matsumoto, T. Ikariya 
  2. Preparation of 1,3-dialkyl-2-imidazolidinones
    JP 2010116372 A 20100527
    T. Seki, Y. Kokubo, T. Suzuki, Y. Kayaki, T. Ikariya, S. Ichikawa 
  3. Preparation of α-alkylidene-1,3-dioxolan-2-one derivatives without use of heavy-metal catalysts or toxic phosphines
    JP 2006137733 A 20060601
    Y. Kayaki, T. Ikariya 
  4. Preparation of 5-alkylidene-2-oxazolidinones in the absence of solvents or catalysts
    JP 2004262830 A 20040924
    Y. Kayaki, T. Ikariya 
  5. Preparation of 2-oxazolidinones from (aminomethyl)allenes and carbon dioxide
    JP 2004262825 A 20040924
    Y. Kayaki, T. Ikariya 
  6. Manufacture of polyurethane from aziridine and carbon dioxide without using polymerization catalyst
    JP 2004263063 A 20040924
    Y. Kayaki, O. Ihata, T. Ikariya 
  7. Process for preparation of allylic compounds
    JP 2004091405 A 20040325
    Y. Kayaki, T. Ikariya 
  8. Flow-type NMR cell system for supercritical fluid measurement
    JP 2005156447 A 20050616
    Y. Kayaki, T. Ikariya, S. Sakurai, T. Imanari 
  9. NMR cell for analyzing supercritical fluid.
    JP 2002174673 A 20020621
    Y. Kayaki, T. Ikariya, S. Sakurai, T. Imanari 
  10. Nmr cell and super critical fluid nmr measurement equipment for super critical fluid measurement. [machine translation].
    JP 2002174672 A 20020621
    Y. Kayaki, T. Ikariya, T. Eguchi, S. Sakurai, T. Imanari 
  11. NMR cell and apparatus for super crit. fluid observation.
    JP 2002107437 A 20020410
    Y. Kayaki, T. Ikariya, S. Sakurai, T. Imanari 
  12. NMR cell for supercritical fluid observation.
    JP 2002107436 A 20020410
    Y. Kayaki, T. Ikariya, S. Sakurai, T. Imanari 
  13. Preparation of phthalides by carbonylation
    JP 2001031594 A 20010206
    T. Ikariya, Y. Kayaki 



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