Fujita Kenichi

Fujita Kenichi publication distribution in Chemistry in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Chemistry in 2026. The highlighted bar marks where Fujita Kenichi sits on this spectrum.

Fujita Kenichi D-index placement in Chemistry in 2026

The chart shows the D-index (discipline H-index) distribution of Chemistry scientists ranked by Research.com in 2026. The highlighted bar marks where Fujita Kenichi sits on this spectrum.

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