Is this you? Create Your Porfile
Avatar

Hiroyuki Asakawa

Takeda Pharmaceutical Company

Network

Latest external collaboration on country level. Dive into details by clicking on the dots.

Explore More

Hotspot

Dive into the research topics where Hiroyuki Asakawa is active.

Explore More

Publication

Featured researches published by Hiroyuki Asakawa.

Tetrahedron Letters | 1980

X ray crystallography of (+)-(R)p methyl phenyl phosphoramidate of ethyl L-phenylalaninate

Toru Koizumi; Yoshiko Kobayashi; Eiichi Yoshii; Masayuki Takamoto; Kazuhide Kamiya; Hiroyuki Asakawa

Abstract The absolute configuration of (+)-(R) p methyl phenyl phosphoramidate of ethyl L-phenylalaninate 1 was determined by X ray crystallography.

Chemical & Pharmaceutical Bulletin | 1979

Chemistry of Salicylic Acid and Anthranilic Acid. IV. Synthesis of 6-Chloro-5-sulfamoyl-and 6-Chloro-3-sulfamoylanthranilic Acid Derivatives

Hiroyuki Asakawa; Mitsuo Matano

Chemical & Pharmaceutical Bulletin | 1974

Decomposition of Thiamine in Alcohol Solution. II

Noboru Shimahara; Hiroyuki Asakawa; Yutaka Kawamatsu; Hiroshi Hirano

Chemical & Pharmaceutical Bulletin | 1979

Chemistry of Salicylic Acid and Anthranilic Acid. I. Reduction of Methyl Salicylate, Methyl Anthranilate and Their Derivatives with Sodium Borohydride

Hiroyuki Asakawa; Yoshiyo Fukushima; Eiko Imamiya; Yutaka Kawamatsu

Chemical & Pharmaceutical Bulletin | 1979

Chemistry of Salicylic Acid and Anthranilic Acid. II. Formation of 2-Alkyl-3-(2-carboxyphenyl)-4-quinazolone from 2-Alkyl-4-oxo-4H-3,1-benzoxazine by Dimeric Condensation

Hiroyuki Asakawa; Mitsuo Matano; Yutaka Kawamatsu

Chemical & Pharmaceutical Bulletin | 1979

Chemistry of Salicylic Acid and Anthranilic Acid. III. Hypoglycemic Screening Tests for Salicylic and Anthranilic Acid Derivatives

Hiroyuki Asakawa; Eiko Imamiya; Yukihiko Hamuro

Chemical & Pharmaceutical Bulletin | 1978

On the Hydration States of 3-(4-Carbamoyl-1-pyridiniomethyl)-7β-(D-α-sulfophenylacetoamido)-ceph-3-em-4-carboxylate Monosodium Salt (Cefsulodin Sodium, SCE-129)

Hideo Nakamachi; Isamu Aoki; Hiroyuki Asakawa

ChemInform | 1980

STUDIES ON ANTIHYPERLIPIDEMIC AGENTS. III. SYNTHESIS AND BIOLOGICAL ACTIVITIES OF 2-CHLORO-3-ARYLPROPIONIC ACIDS CONTAINING A QUARTERNARY CARBON ATOM

Yutaka Kawamatsu; Hiroyuki Asakawa; T. Saraie; K. Mizuno; E. Imamiya; K. Nishikawa; Y. Hamuro

ChemInform | 1980

STUDIES ON ANTIHYPERLIPIDEMIC AGENTS. II. SYNTHESIS AND BIOLOGICAL ACTIVITIES S OF 2-CHLORO-3-ARYLPROPIONIC ACIDS

Yutaka Kawamatsu; Hiroyuki Asakawa; T. Saraie; E. Imamiya; K. Nishikawa; Y. Hamuro

ChemInform | 1979

CHEMISTRY OF SALICYLIC ACID AND ANTHRANILIC ACID. II. FORMATION OF 2-ALKYL-3-(2-CARBOXYPHENYL)-4-QUINAZOLONE FROM 2-ALKYL-4-OXO-4H-3,1-BENZOXAZINE BY DIMERIC CONDENSATION

Hiroyuki Asakawa; Mitsuo Matano; Yutaka Kawamatsu

Explore More

Collaboration

Dive into the Hiroyuki Asakawa's collaboration.

Top Co-Authors
Avatar

Yutaka Kawamatsu

Takeda Pharmaceutical Company

View shared research outputs
Top Co-Authors
Avatar

Mitsuo Matano

Takeda Pharmaceutical Company

View shared research outputs
Top Co-Authors
Avatar

Eiko Imamiya

Takeda Pharmaceutical Company

View shared research outputs
Top Co-Authors
Avatar

Hiroshi Hirano

Takeda Pharmaceutical Company

View shared research outputs
Top Co-Authors
Avatar

Eiichi Yoshii

University of Toyama

View shared research outputs
Top Co-Authors
Avatar

Hideo Nakamachi

Takeda Pharmaceutical Company

View shared research outputs
Top Co-Authors
Avatar

Isamu Aoki

Takeda Pharmaceutical Company

View shared research outputs
Top Co-Authors
Avatar

Kazuhide Kamiya

Takeda Pharmaceutical Company

View shared research outputs
Top Co-Authors
Avatar

Masayuki Takamoto

Takeda Pharmaceutical Company

View shared research outputs
Top Co-Authors
Avatar

Noboru Shimahara

Takeda Pharmaceutical Company

View shared research outputs
Explore More
Researchain Logo
Decentralizing Knowledge