Fujita Kenichi

Best Publications

• Dehydrogenative Oxidation of Alcohols in Aqueous Media Using Water-Soluble and Reusable Cp*Ir Catalysts Bearing a Functional Bipyridine Ligand

  Ryoko Kawahara;Ken-ichi Fujita;Ryohei Yamaguchi

  530
  Citations

• Homogeneous catalytic system for reversible dehydrogenation-hydrogenation reactions of nitrogen heterocycles with reversible interconversion of catalytic species.

  Ryohei Yamaguchi;Chikako Ikeda;Yoshinori Takahashi;Ken-ichi Fujita

  499
  Citations

• Ligand-promoted dehydrogenation of alcohols catalyzed by Cp*Ir complexes. A new catalytic system for oxidant-free oxidation of alcohols.

  Ken-ichi Fujita;Nobuhide Tanino;Ryohei Yamaguchi

  424
  Citations

• Cp*Ir-catalyzed N-alkylation of amines with alcohols. A versatile and atom economical method for the synthesis of amines

  Ken-ichi Fujita;Youichiro Enoki;Ryohei Yamaguchi

  420
  Citations

• N-Alkylation of amines with alcohols catalyzed by a Cp*Ir complex

  Ken-ichi Fujita;Zhenzi Li;Naohiro Ozeki;Ryohei Yamaguchi

  379
  Citations

• Multialkylation of aqueous ammonia with alcohols catalyzed by water-soluble Cp*Ir-ammine complexes

  Ryoko Kawahara;Ken-ichi Fujita;Ryohei Yamaguchi

  378
  Citations

• Homogeneous perdehydrogenation and perhydrogenation of fused bicyclic N-heterocycles catalyzed by iridium complexes bearing a functional bipyridonate ligand.

  Ken-ichi Fujita;Yui Tanaka;Masato Kobayashi;Ryohei Yamaguchi

  345
  Citations

• Cp*Ir Complex-Catalyzed N-Heterocyclization of Primary Amines with Diols: A New Catalytic System for Environmentally Benign Synthesis of Cyclic Amines

  Ken-ichi Fujita;and Takeshi Fujii;Ryohei Yamaguchi

  344
  Citations

• Cooperative Catalysis by Iridium Complexes with a Bipyridonate Ligand: Versatile Dehydrogenative Oxidation of Alcohols and Reversible Dehydrogenation–Hydrogenation between 2‐Propanol and Acetone

  Ryoko Kawahara;Ken-ichi Fujita;Ryohei Yamaguchi

  312
  Citations

• N‐Alkylation of Amines with Alcohols Catalyzed by a Water‐Soluble Cp*Iridium Complex: An Efficient Method for the Synthesis of Amines in Aqueous Media

  Ryoko Kawahara;Ken-ichi Fujita;Ryohei Yamaguchi

  306
  Citations

• Oxidative cyclization of amino alcohols catalyzed by a CpIr complex. Synthesis of indoles, 1,2,3,4-tetrahydroquinolines, and 2,3,4,5-tetrahydro-1-benzazepine.

  Ken-Ichi Fujita;Kazunari Yamamoto;Ryohei Yamaguchi

  294
  Citations

• Direct beta-alkylation of secondary alcohols with primary alcohols catalyzed by a CpIr complex.

  Ken-ichi Fujita;Chiho Asai;Tetsuhiro Yamaguchi;Fumihiro Hanasaka

  294
  Citations

• Dehydrogenative Oxidation of Primary and Secondary Alcohols Catalyzed by a Cp*Ir Complex Having a Functional C,N-Chelate Ligand

  Ken-ichi Fujita;Tetsuya Yoshida;Yoichiro Imori;Ryohei Yamaguchi

  282
  Citations

• Hydrogen Production from a Methanol–Water Solution Catalyzed by an Anionic Iridium Complex Bearing a Functional Bipyridonate Ligand under Weakly Basic Conditions

  Ken-ichi Fujita;Ryoko Kawahara;Takuya Aikawa;Ryohei Yamaguchi

  263
  Citations

• Synthesis of five-, six-, and seven-membered ring lactams by CpRh complex-catalyzed oxidative N-heterocyclization of amino alcohols.

  Ken-ichi Fujita;Yoshinori Takahashi;Maki Owaki;Kazunari Yamamoto

  257
  Citations

• Selective synthesis of secondary and tertiary amines by cp*iridium-catalyzed multialkylation of ammonium salts with alcohols.

  Ryohei Yamaguchi;Shoko Kawagoe;Chiho Asai;Ken-ichi Fujita

  242
  Citations

• Synthesis of New Cationic Cp*Ir N-Heterocyclic Carbene Complexes and Their High Catalytic Activities in the Oppenauer-Type Oxidation of Primary and Secondary Alcohols

  Fumihiro Hanasaka;and Ken-ichi Fujita;Ryohei Yamaguchi

  204
  Citations

• Dehydrogenative Oxidation of Alcohols in Aqueous Media Catalyzed by a Water-Soluble Dicationic Iridium Complex Bearing a Functional N-Heterocyclic Carbene Ligand without Using Base

  Ken-ichi Fujita;Ryuichi Tamura;Yuhi Tanaka;Masato Yoshida

  189
  Citations

• Efficient Catalyst for Acceptorless Alcohol Dehydrogenation: Interplay of Theoretical and Experimental Studies

  Guixiang Zeng;Shigeyoshi Sakaki;Ken-ichi Fujita;Hayato Sano

  170
  Citations

• Cp*Ir Complexes Bearing N-Heterocyclic Carbene Ligands as Effective Catalysts for Oppenauer-Type Oxidation of Alcohols

  Fumihiro Hanasaka;Ken-Ichi Fujita;Ryohei Yamaguchi

  163
  Citations