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Kazuhiko Takai

Kazuhiko Takai

D-Index & Metrics

Chemistry

D-Index
70
Citations
15667
World Ranking
5935
National Ranking
375

Overview

Kazuhiko Takai is affiliated with Okayama University in Japan and has contributed extensively to the fields of Materials Science and Chemistry. Their research spans several subfields, including Materials Chemistry, Organic Chemistry, Inorganic Chemistry, Industrial and Manufacturing Engineering, and Pharmaceutical Science.

The scientist's work focuses on key topics such as Crystallization and Solubility Studies, X-ray Diffraction in Crystallography, Coordination Chemistry and Organometallics, Synthetic Organic Chemistry Methods, Organometallic Complex Synthesis and Catalysis, Catalytic C-H Functionalization Methods, and Catalytic Cross-Coupling Reactions.

Takai has authored publications in multiple research venues, with a strong presence in The Cambridge Structural Database, where they have 25 publications. Other frequent publication venues include Chemical Communications with 3 papers, Organic Letters and Chemistry Letters each with 2 papers, and Chemical Science with 2 papers.

Their notable recent papers include:

  • Halogen-sodium exchange enables efficient access to organosodium compounds (2021, Communications Chemistry)
  • Molybdenum-Catalyzed Deoxygenative Cyclization of Carbonyl Compounds for the Synthesis of Pyrido[2,1-a]isoindoles (2021, Asian Journal of Organic Chemistry)
  • Molybdenum-Quinone-Catalyzed Deoxygenative Coupling of Aromatic Carbonyl Compounds (2022, Organic Letters)
  • Birch Reduction of Arenes Using Sodium Dispersion and DMI under Mild Conditions (2021, Chemistry Letters)
  • Cyclization of 1,n-Enynes Initiated by the Addition Reaction ofgem-Dichromiomethane Reagents to Alkynes (2020, Organic Letters)

Frequent collaborators in their research include Takashi Kurogi, Keiichi Irifune, Shunsuke Moritani, Sobi Asako, and Masahito Murai. Takashi Kurogi has coauthored 30 papers with Takai, while Keiichi Irifune and Shunsuke Moritani have contributed to 10 joint publications each. Sobi Asako and Masahito Murai have both collaborated on 7 papers alongside Takai.

Best Publications

  • Simple and selective method for aldehydes (RCHO) .fwdarw. (E)-haloalkenes (RCH:CHX) conversion by means of a haloform-chromous chloride system

    Kazuhiko Takai;Kenji Nitta;Kiitiro Utimoto

  • Reactions of alkenylchromium reagents prepared from alkenyl trifluoromethanesulfonates (triflates) with chromium(II) chloride under nickel catalysis.

    Kazuhiko Takai;Mizuka Tagashira;Tooru Kuroda;Koichiro Oshima

  • Selective grignard-type carbonyl addition of alkenyl halides mediated by chromium(II) chloride

    Kazuhiko Takai;Keizo Kimura;Tooru Kuroda;Tamejiro Hiyama

  • Insertion of polar and nonpolar unsaturated molecules into carbon-rhenium bonds generated by C-H bond activation: synthesis of phthalimidine and indene derivatives.

    Yoichiro Kuninobu;Yukimi Tokunaga;and Atsushi Kawata;Kazuhiko Takai

  • Rhenium-catalyzed formation of indene frameworks via C-H bond activation: [3+2] Annulation of aromatic aldimines and acetylenes

    Yoichiro Kuninobu;and Atsushi Kawata;Kazuhiko Takai

  • Organic Reactions Catalyzed by Rhenium Carbonyl Complexes

    Yoichiro Kuninobu;Kazuhiko Takai

  • A Novel Catalytic Effect of Lead on the Reduction of a Zinc Carbenoid with Zinc Metal Leading to a Geminal Dizinc Compound. Acceleration of the Wittig-Type Olefination with the RCHX2-TiCl4-Zn Systems by Addition of Lead

    Kazuhiko Takai;Tadahiro Kakiuchi;Yasutaka Kataoka;Kiitiro Utimoto

  • Manganese-catalyzed insertion of aldehydes into a C-H bond.

    Yoichiro Kuninobu;Yuta Nishina;Takahiro Takeuchi;Kazuhiko Takai

  • Rhodium-catalyzed asymmetric synthesis of spirosilabifluorene derivatives

    Yoichiro Kuninobu;Kanae Yamauchi;Naoya Tamura;Takayuki Seiki

  • Rhodium-Catalyzed Synthesis of Silafluorene Derivatives via Cleavage of Silicon−Hydrogen and Carbon−Hydrogen Bonds

    Tomonari Ureshino;Takuya Yoshida;Yoichiro Kuninobu;Kazuhiko Takai

  • (E)-Selective olefination of aldehydes by means of gem-dichromium reagents derived by reduction of gem-diiodoalkanes with chromium(II) chloride

    Takashi Okazoe;Kazuhiko Takai;Kiitiro Utimoto

  • Effective methods of carbonyl methylenation using CH2I2-Zn-Me3Al and CH2Br2-Zn-TiCl4 system

    Kazuhiko Takai;Yuji Hotta;Koichiro Oshima;Hitosi Nozaki

  • Carbonyl methylenation of easily enolizable ketones

    Jun ichi Hibino;Takashi Okazoe;Kazuhiko Takai;Hitosi Nozaki

  • Alkylidenation of Ester Carbonyl Groups by means of a Reagent Derived from RCHBr2, Zn, TiCl4, and TMEDA. Stereoselective Preparation of (Z)-Alkenyl Ethers

    Takashi Okazoe;Kazuhiko Takai;Koichiro Oshima;Kiitiro Utimoto

  • Palladium-catalyzed synthesis of dibenzophosphole oxides via intramolecular dehydrogenative cyclization.

    Yoichiro Kuninobu;Takuya Yoshida;Kazuhiko Takai

  • Wittig-type Reaction of Dimetallated Carbodianion Species as Produced by Zinc Reduction of gem-Polyhalogen Compounds in the Presence of Lewis Acids

    Kazuhiko Takai;Yuji Hotta;Koichiro Oshima;Hitosi Nozaki

  • Selective oxidation of a primary hydroxyl in the presence of secondary one

    Hiroki Tomioka;Kazuhiko Takai;Koichiro Oshima;Hitosi Nozaki

  • Rhenium- and Aniline-Catalyzed One-Pot Annulation of Aromatic Ketones and α,β-Unsaturated Esters Initiated by C ? H Bond Activation

    Yoichiro Kuninobu;Yuta Nishina;Makoto Shouho;Kazuhiko Takai

  • Indium‐Catalyzed Retro‐Claisen Condensation

    Atsushi Kawata;Kazumi Takata;Yoichiro Kuninobu;Kazuhiko Takai

  • Rhenium-catalyzed insertion of aldehyde into a C-H bond: synthesis of isobenzofuran derivatives.

    Yoichiro Kuninobu;Yuta Nishina;Chie Nakagawa;Kazuhiko Takai

  • Dramatic Rate Acceleration by a Diphenyl-2-pyridylphosphine Ligand in the Hydration of Nitriles Catalyzed by Ru(acac)2 Complexes

    Toshiyuki Oshiki;Hitoshi Yamashita;Kensuke Sawada;Masaru Utsunomiya

Frequent Co-Authors

Yoichiro Kuninobu
Yoichiro Kuninobu Kyushu University
Kiitiro Utimoto
Kiitiro Utimoto Kyoto University
Hitosi Nozaki
Hitosi Nozaki Okayama University
Koichiro Oshima
Koichiro Oshima Kyoto University
Seijiro Matsubara
Seijiro Matsubara Kyoto University
Terunori Fujita
Terunori Fujita Mitsui Chemicals (Japan)
Masahito Ochiai
Masahito Ochiai University of Tokushima
Kazushi Mashima
Kazushi Mashima Osaka University
Clayton H. Heathcock
Clayton H. Heathcock University of California, Berkeley
Tamejiro Hiyama
Tamejiro Hiyama Chuo University

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