World's Best Scientists 2026 revealed!
Koji Hirano

Koji Hirano

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Chemistry
Japan
2026

D-Index & Metrics

Chemistry

D-Index
94
Citations
23926
World Ranking
1740
National Ranking
90

Research.com Recognitions

  • 2026 - Research.com Chemistry in Japan Leader Award
  • 2025 - Research.com Chemistry in Japan Leader Award
  • 2022 - Research.com Chemistry in Japan Leader Award

Overview

Koji Hirano is affiliated with Osaka University in Japan and has contributed extensively to the fields of chemistry and materials science, with a focus on organic chemistry and materials chemistry. Their research output includes 151 publications in chemistry and 71 in materials science, reflecting a strong interdisciplinary approach.

The scientist's main subfields of study include organic chemistry, materials chemistry, inorganic chemistry, pharmaceutical science, and physical and theoretical chemistry. Their work spans several specific topics such as crystallization and solubility studies, catalytic C-H functionalization methods, X-ray diffraction in crystallography, catalytic cross-coupling reactions, sulfur-based synthesis techniques, organoboron and organosilicon chemistry, and the role of fluorine in organic chemistry.

Koji Hirano has published research in various academic venues, with the most frequent publication outlets being:

  • The Cambridge Structural Database
  • Organic Letters
  • Chemical Science
  • Chemistry Letters
  • Bulletin of the Chemical Society of Japan

Frequent coauthors include Masahiro Miura, Yuji Nishii, Kazutoshi Nishimura, Shibo Xu, and Yuki Kojima, indicating active collaborations within the chemistry research community.

Recent notable papers authored or co-authored by Hirano include:

  • Hydroamination, Aminoboration, and Carboamination with Electrophilic Amination Reagents: Umpolung-Enabled Regio- and Stereoselective Synthesis of N-Containing Molecules from Alkenes and Alkynes (2022), Journal of the American Chemical Society
  • Cu-Catalyzed Reductive gem-Difunctionalization of Terminal Alkynes via Hydrosilylation/Hydroamination Cascade: Concise Synthesis of α-Aminosilanes (2020), Chemistry - A European Journal
  • Direct Synthesis of Dibenzophospholes from Biaryls by Double C-P Bond Formation via Phosphenium Dication Equivalents (2020), Organic Letters

The scope of topics covered in these publications highlights an emphasis on methods for regio- and stereoselective synthesis and catalytic processes involving functional group transformations in organic molecules.

Best Publications

  • A New Entry of Amination Reagents for Heteroaromatic C−H Bonds: Copper-Catalyzed Direct Amination of Azoles with Chloroamines at Room Temperature

    Tsuyoshi Kawano;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Rhodium-catalyzed oxidative coupling of aromatic imines with internal alkynes via regioselective C–H bond cleavage

    Tatsuya Fukutani;Nobuyoshi Umeda;Koji Hirano;Tetsuya Satoh

  • Copper-Catalyzed Intermolecular Regioselective Hydroamination of Styrenes with Polymethylhydrosiloxane and Hydroxylamines†

    Yuya Miki;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Ruthenium-Catalyzed Oxidative Vinylation of Heteroarene Carboxylic Acids with Alkenes via Regioselective C−H Bond Cleavage

    Takumi Ueyama;Satoshi Mochida;Tatsuya Fukutani;Koji Hirano

  • Rhodium-catalyzed Oxidative Coupling/Cyclization of Benzamides with Alkynes via C-H Bond Cleavage

    Satoshi Mochida;Nobuyoshi Umeda;Koji Hirano;Tetsuya Satoh

  • Rhodium-catalyzed oxidative coupling/cyclization of 2-phenylindoles with alkynes via C-H and N-H bond cleavages with air as the oxidant.

    Keisuke Morimoto;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Nickel-Catalyzed Direct C ? H Arylation and Alkenylation of Heteroarenes with Organosilicon Reagents

    Hitoshi Hachiya;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Copper‐Mediated CH/CH Biaryl Coupling of Benzoic Acid Derivatives and 1,3‐Azoles

    Mayuko Nishino;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Rhodium-Catalyzed Mono- and Divinylation of 1-Phenylpyrazoles and Related Compounds via Regioselective C−H Bond Cleavage

    Nobuyoshi Umeda;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Copper-Mediated Intermolecular Direct Biaryl Coupling

    Masanori Kitahara;Nobuyoshi Umeda;Koji Hirano;Tetsuya Satoh

  • Copper‐Mediated and Copper‐Catalyzed Cross‐Coupling of Indoles and 1,3‐Azoles: Double CH Activation

    Mayuko Nishino;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Rhodium-catalyzed regioselective olefination directed by a carboxylic group.

    Satoshi Mochida;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Nickel‐ and Cobalt‐Catalyzed Direct Alkylation of Azoles with N‐Tosylhydrazones Bearing Unactivated Alkyl Groups

    Tomoyuki Yao;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Synthesis of Functionalized α-Pyrone and Butenolide Derivatives by Rhodium-Catalyzed Oxidative Coupling of Substituted Acrylic Acids with Alkynes and Alkenes

    Satoshi Mochida;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Regioselective and stereospecific copper-catalyzed aminoboration of styrenes with bis(pinacolato)diboron and O-benzoyl-N,N-dialkylhydroxylamines.

    Naoki Matsuda;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Rhodium-catalyzed oxidative 1:1, 1:2, and 1:4 coupling reactions of phenylazoles with internal alkynes through the regioselective cleavages of multiple C-H bonds.

    Nobuyoshi Umeda;Koji Hirano;Tetsuya Satoh;Naoto Shibata

  • Nickel-catalyzed carboxylation of organozinc reagents with CO2.

    Hidenori Ochiai;Minsul Jang;Koji Hirano;Hideki Yorimitsu

  • Nickel-Catalyzed Direct Arylation of Azoles with Aryl Bromides

    Hitoshi Hachiya;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Synthesis of stilbene and distyrylbenzene derivatives through rhodium-catalyzed ortho-olefination and decarboxylation of benzoic acids.

    Satoshi Mochida;Koji Hirano;Tetsuya Satoh;Masahiro Miura

  • Copper-catalyzed direct amination of electron-deficient arenes with hydroxylamines.

    Naoki Matsuda;Koji Hirano;Tetsuya Satoh;Masahiro Miura

Frequent Co-Authors

Masahiro Miura
Masahiro Miura Osaka University
Tetsuya Satoh
Tetsuya Satoh Osaka Metropolitan University
Hideki Yorimitsu
Hideki Yorimitsu Kyoto University
Koichiro Oshima
Koichiro Oshima Kyoto University
Carsten Bolm
Carsten Bolm RWTH Aachen University
Ken Tanaka
Ken Tanaka Tokyo Institute of Technology
Shu Seki
Shu Seki Kyoto University
Hayato Tsurugi
Hayato Tsurugi Osaka University
Fumitoshi Kakiuchi
Fumitoshi Kakiuchi Keio University
Hiroshi Shinokubo
Hiroshi Shinokubo Nagoya University

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