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Yasumasa Hamada

Yasumasa Hamada

D-Index & Metrics

Chemistry

D-Index
55
Citations
9096
World Ranking
12328
National Ranking
926

Overview

Yasumasa Hamada is affiliated with Chiba University in Japan, specializing in the field of chemistry with a focus on organic chemistry. Their research predominantly addresses various aspects of synthetic organic chemistry methods, catalytic C-H functionalization methods, and asymmetric synthesis and catalysis.

The scientist's recent publication record includes work on catalytic processes. One specific paper is titled Computational studies of the mechanism of Pd-Catalyzed Intramolecular Friedel-Crafts allylic alkylation of phenols, published in 2020 in the journal Tetrahedron. This paper contributes to the understanding of palladium-catalyzed transformations within organic synthesis.

Yasumasa Hamada collaborates frequently with several researchers in their field, including:

  • Takahito Kuribara
  • Koki Matsumoto
  • Sho Nagasawa
  • Yuta Suzuki
  • Masaya Nakajima

The primary publication venue associated with the scientist is:

  • Tetrahedron

The main areas of study involve:

  • Chemistry

Subfields of expertise include:

  • Organic Chemistry

The topics most frequently addressed in their research are:

  • Synthetic Organic Chemistry Methods
  • Catalytic C-H Functionalization Methods
  • Asymmetric Synthesis and Catalysis

Best Publications

  • Novel method for synthesizing spiro[4.5]cyclohexadienones through a Pd-catalyzed intramolecular ipso-Friedel-Crafts allylic alkylation of phenols.

    Tetsuhiro Nemoto;Yuta Ishige;Mariko Yoshida;Yuta Kohno

  • New methods and reagents in organic synthesis. 67. A general synthesis of derivatives of optically pure 2-(1-aminoalkyl)thiazole-4-carboxylic acids

    Yasumasa Hamada;Makoto Shibata;Tsuneyuki Sugiura;Shinji Kato

  • Recent Progress of the Synthetic Studies of Biologically Active Marine Cyclic Peptides and Depsipeptides

    Unknown

  • Palladium-catalyzed intramolecular ipso-Friedel-Crafts alkylation of phenols and indoles: rearomatization-assisted oxidative addition.

    Tetsuhiro Nemoto;Zengduo Zhao;Takuya Yokosaka;Yuta Suzuki

  • Stereoselective synthesis of anti-beta-hydroxy-alpha-amino acids through dynamic kinetic resolution.

    Kazuishi Makino;Takayuki Goto;Yasuhiro Hiroki;Yasumasa Hamada

  • P-Chirogenic Diaminophosphine Oxide: A New Class of Chiral Phosphorus Ligands for Asymmetric Catalysis

    Tetsuhiro Nemoto;Takayoshi Matsumoto;Takamasa Masuda;Tsukasa Hitomi

  • Catalytic asymmetric hydrogenation of α-amino-β-keto ester hydrochlorides using homogeneous chiral nickel-bisphosphine complexes through DKR

    Yasumasa Hamada;Yu Koseki;Takefumi Fujii;Tsukuru Maeda

  • New methods and reagents in organic synthesis. 51. A synthesis of ascidiacyclamide, a cytotoxic cyclic peptide from ascidian — determination of its absolute configuration

    Yasumasa Hamada;Shinji Kato;Takayuki Shioiri

  • Diethyl phosphorocyanidated (DEPC). A novel reagent for the classical Strecker's α-amino nitrile synthesis☆

    Shinya Harusawa;Yasumasa Hamada;Takayuki Shioiri

  • Efficient total synthesis of didemnins A and B

    Yasumasa Hamada;Yutaka Kondo;Makoto Shibata;Takayuki Shioiri

  • Efficient total synthesis of AI-77-B, A gastroprotective substance from bacillus pumilus AI-77

    Yasumasa Hamada;Osamu Hara;Akiyoshi Kawai;Yasushi Kohno

  • Homogeneous Chiral Nickel‐Catalyzed Asymmetric Hydrogenation of Substituted Aromatic α‐Aminoketone Hydrochlorides through Dynamic Kinetic Resolution

    Takuya Hibino;Kazuishi Makino;Takaya Sugiyama;Yasumasa Hamada

  • Enantioselective construction of all-carbon quaternary spirocenters through a Pd-catalyzed asymmetric intramolecular ipso-Friedel–Crafts allylic alkylation of phenols

    Mariko Yoshida;Tetsuhiro Nemoto;Zengduo Zhao;Yuta Ishige

  • An Extensive Survey by the Use of High Performance Liquid Chromatography on Racemization during the Coupling of Benzyloxycarbonyl-L-phenylalanyl-L-valine with L-Proline tert-Butyl Ester

    Shoji Takuma;Yasumasa Hamada;Takayuki Shioiri

  • Gold-Catalyzed Carbocyclization of Phenols with a Terminal Alkyne via an Intramolecular ipso-Friedel–Crafts Alkenylation

    Tetsuhiro Nemoto;Nobuaki Matsuo;Yasumasa Hamada

  • Efficient synthesis of 3-substituted 2,3-dihydroquinolin-4-ones using a one-pot sequential multi-catalytic process : Pd-catalyzed allylic amination-thiazolium salt-catalyzed Stetter reaction cascade

    Tetsuhiro Nemoto;Tomoaki Fukuda;Yasumasa Hamada

  • A NEW SYNTHETIC ROUTE TO PROSTAGLANDINS

    E.J Corey;Koichi Niimura;Yoshitaka Konishi;Shinsuke Hashimoto

  • Stereoselective total synthesis of AI-77-B, a gastroprotective substance from Bacillus pumilus AI-77

    Yasumasa Hamada;Akiyoshi Kawai;Yasushi Kohno;Osamu Hara

  • Pd-catalyzed asymmetric allylic amination of Morita-Baylis-Hillman adduct derivatives using chiral diaminophosphine oxides: DIAPHOXs.

    Tetsuhiro Nemoto;Takashi Fukuyama;Eri Yamamoto;Shinji Tamura

  • Dynamic Kinetic Resolution Catalyzed by Ir Axially Chiral Phosphine Catalyst: Asymmetric Synthesis of anti Aromatic β-Hydroxy-α-amino Acid Esters

    Unknown

  • Stereoselective synthesis of the hydroxy amino acid moiety of Al-77-B, a gastroprotective substance from Bacillus pumilus Al-77

    Akiyoshi Kawai;Osamu Hara;Yasumasa Hamada;Takayuki Shioiri

  • Solution and solid-state conformations of ascidiacyclamide, a cytotoxic cyclic peptide from ascidian

    Toshimasa Ishida;Masayuki Tanaka;Michiko Nabae;Masatoshi Inoue

Frequent Co-Authors

Takayuki Shioiri
Takayuki Shioiri Meijo University
Jingen Deng
Jingen Deng Sichuan University
Harald Gröger
Harald Gröger Bielefeld University
Mikiko Sodeoka
Mikiko Sodeoka Sagami Central Chemical Research Institute

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