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Keiji Maruoka

Keiji Maruoka

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Chemistry
Japan
2026

D-Index & Metrics

Chemistry

D-Index
105
Citations
39429
World Ranking
1005
National Ranking
46

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
  • 2016 - Ryoji Noyori Prize, Society of Synthetic Organic Chemistry

Overview

Keiji Maruoka is affiliated with Kyoto University in Japan and has contributed extensively to the field of chemistry, with a primary focus on organic chemistry and related subfields. Their research spans a range of topics that include catalytic C-H functionalization methods, radical photochemical reactions, oxidative organic chemistry reactions, asymmetric synthesis and catalysis, sulfur-based synthesis techniques, synthesis and catalytic reactions, and chemical synthesis and analysis.

Maruoka's publication record includes papers in prominent scientific journals. Notable recent works include:

  • "Cu-Catalyzed Enantioselective Alkylarylation of Vinylarenes Enabled by Chiral Binaphthyl-BOX Hybrid Ligands" (2020, Journal of the American Chemical Society)
  • "Organocatalytic Formal (3 + 2) Cycloaddition toward Chiral Pyrrolo[1,2-a]indoles via Dynamic Kinetic Resolution of Allene Intermediates" (2020, Organic Letters)
  • "Cationic DABCO-Based Catalyst for Site-Selective C-H Alkylation via Photoinduced Hydrogen-Atom Transfer" (2022, ACS Catalysis)
  • "Practical Asymmetric Synthesis of Chiral Sulfoximines via Sulfur-Selective Alkylation" (2022, The Journal of Organic Chemistry)
  • "Asymmetric phase-transfer catalysis" (2024, Nature Reviews Chemistry)

The scientist collaborates frequently with several other researchers, including:

  • Taichi Kano
  • Terumasa Kato
  • Yan Liu
  • Akira Matsumoto
  • Hyo-Jun Lee

Maruoka has published multiple papers in the following scientific venues:

  • The Cambridge Structural Database
  • Organic Letters
  • Asian Journal of Organic Chemistry
  • The Journal of Organic Chemistry
  • Tetrahedron Letters

Their body of work primarily focuses on the main field of chemistry with particular emphasis on organic chemistry. Subfields include materials chemistry, molecular biology, inorganic chemistry, and pharmaceutical science. Maruoka's research interests also extend into specialized areas such as catalytic C-H functionalization, radical photochemical reactions, and asymmetric catalysis.

In recognition of research contributions, Maruoka was awarded the Ryoji Noyori Prize by the Society of Synthetic Organic Chemistry in 2016.

Best Publications

  • Recent Advances of Catalytic Asymmetric 1,3-Dipolar Cycloadditions

    Takuya Hashimoto;Keiji Maruoka

  • Enantioselective amino acid synthesis by chiral phase-transfer catalysis.

    Keiji Maruoka;Takashi Ooi

  • Recent advances in asymmetric phase-transfer catalysis.

    Takashi Ooi;Keiji Maruoka

  • Recent development and application of chiral phase-transfer catalysts.

    Takuya Hashimoto;Keiji Maruoka

  • Recent Developments in Asymmetric Phase-Transfer Reactions

    Seiji Shirakawa;Keiji Maruoka

  • Molecular Design of a C2-Symmetric Chiral Phase-Transfer Catalyst for Practical Asymmetric Synthesis of α-Amino Acids

    Takashi Ooi;and Minoru Kameda;Keiji Maruoka

  • Design of N-Spiro C2-Symmetric Chiral Quaternary Ammonium Bromides as Novel Chiral Phase-Transfer Catalysts: Synthesis and Application to Practical Asymmetric Synthesis of α-Amino Acids

    Takashi Ooi;Minoru Kameda;Keiji Maruoka

  • Practical Catalytic Enantioselective Synthesis of α,α-Dialkyl-α-amino Acids by Chiral Phase-Transfer Catalysis

    Takashi Ooi;Mifune Takeuchi;and Minoru Kameda;Keiji Maruoka

  • Asymmetric hetero-Diels-Alder reaction catalyzed by a chiral organoaluminum reagent

    Keiji. Maruoka;Takayuki. Itoh;Tadashi. Shirasaka;Hisashi. Yamamoto

  • Practical Aspects of Recent Asymmetric Phase-Transfer Catalysis

    Keiji Maruoka

  • Phosphonium Salts as Chiral Phase‐Transfer Catalysts: Asymmetric Michael and Mannich Reactions of 3‐Aryloxindoles

    Rongjun He;Changhua Ding;Keiji Maruoka

  • Organoaluminum-promoted Beckmann rearrangement of oxime sulfonates

    Keiji Maruoka;Tohru Miyazaki;Mamoru Ando;Yasushi Matsumura

  • Design of axially chiral dicarboxylic acid for asymmetric Mannich reaction of arylaldehyde N-Boc imines and diazo compounds.

    Takuya Hashimoto;Keiji Maruoka

  • Powerful Chiral Phase-Transfer Catalysts for the Asymmetric Synthesis of α-Alkyl- and α,α-Dialkyl-α-amino Acids

    Masanori Kitamura;Seiji Shirakawa;Keiji Maruoka

  • Anti-Selective Direct Asymmetric Mannich Reactions Catalyzed by Axially Chiral Amino Sulfonamide as an Organocatalyst

    Taichi Kano;Yukako Yamaguchi;Osamu Tokuda;Keiji Maruoka

  • Bis(((S)-binaphthoxy)(isopropoxy)titanium) oxide as a mu-oxo-type chiral Lewis acid: application to catalytic asymmetric allylation of aldehydes.

    Hideo Hanawa;Takuya Hashimoto;Keiji Maruoka

  • Enantioselective acylation of secondary alcohols catalyzed by chiral N-heterocyclic carbenes.

    Taichi Kano;Kouji Sasaki;Keiji Maruoka

  • Design of New Chiral Phase-Transfer Catalysts with Dual Functions for Highly Enantioselective Epoxidation of α,β-Unsaturated Ketones

    Takashi Ooi;Daisuke Ohara;Masazumi Tamura;Keiji Maruoka

  • Fortschritte bei asymmetrischen Phasentransferkatalysen

    Takashi Ooi;Takashi Ooi;Keiji Maruoka

  • Asymmetric organocatalysis of structurally well-defined chiral quaternary ammonium fluorides

    Takashi Ooi;Keiji Maruoka

Frequent Co-Authors

Takashi Ooi
Takashi Ooi Nagoya University
Seiji Shirakawa
Seiji Shirakawa Nagasaki University
Hisashi Yamamoto
Hisashi Yamamoto Chubu University
Tomoya Miura
Tomoya Miura Kyoto University
Xi-Sheng Wang
Xi-Sheng Wang University of Science and Technology of China
Naoki Asao
Naoki Asao Shinshu University
Susumu Saito
Susumu Saito Nagoya University
Benjamin List
Benjamin List Max Planck Society
Atsunori Mori
Atsunori Mori Kobe University
André Luxen
André Luxen University of Liège

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