Hisatoyo Yazawa

The reaction of carboxylic esters with boron tribromide a convenient method for the synthesis of amides and transesterification

Hisatoyo Yazawa, Kunihiko Tanaka, Kazuo Kariyone · Tetrahedron Letters · 1974 · 56 citations

Cross-coupling Reaction, Engineering, Organic Chemistry +8

The Structures of Tomaymycin and Oxotomaymycin

Kazuo Kariyone, Hisatoyo Yazawa, MASANOBU KOHSAKA · Chemical and Pharmaceutical Bulletin · 1971 · 54 citations · Full text

Important Derivative, Medicinal Chemistry, Antimicrobial Drug Discovery +15

Isolation of the Bromo Analogues of Pyrrolnitrin from Pseudomonas pyrrolnitrica

Mutsuya Ajisaka, Kazuo Kariyone, Kazuyoshi Jomon et al. · Agricultural and Biological Chemistry · 1969 · 22 citations · Full text

Medicinal Chemistry, Pharmaceutical Science, Bioorganic Chemistry +15

A new formylation reagent : 4-formyl-2-methyl-1,3,4-thiadiazolin-5-thione.

Hisatoyo Yazawa, Shunsuke Goto · Tetrahedron Letters · 1985 · 17 citations

Engineering, Organic Chemistry, New Formylation Reagent +2

Studies on tomaymycin. III. Syntheses and antitumor activity of tomaymycin analogs.

Zenzaburo Tozuka, Hisatoyo Yazawa, Masayoshi Murata et al. · The Journal of Antibiotics · 1983 · 17 citations · Full text