Kouhei Toyooka

Synthesis of 4-acyl-2-(acylamino)-.DELTA.2-1,3,4-thiadiazolines and 4-acyl-2-amino-.DELTA.2-1,3,4-thiadiazolines by acylation of thiosemicarbazones

Seiju Kubota, Yasufumi Ueda, Kazuichi Fujikane et al. · The Journal of Organic Chemistry · 1980 · 62 citations

Bioorganic Chemistry, Engineering, Biochemistry +11

Synthesis of the naphthalenecarboxylic acid derivative obtained from neocarzinostatin (NCS): A structure revision

Masayuki Shibuya, Kouhei Toyooka, Seiju Kubota · Tetrahedron Letters · 1984 · 41 citations

Medicinal Chemistry, Engineering, Structure Revision +9

Synthesis of nitrated oligo-N-methylpyrrole carboxamide derivatives and their photochemical DNA cleaving activities

Eiji Nishiwaki, Hideaki Lee, Toyomi MATSUMOTO et al. · Tetrahedron Letters · 1990 · 26 citations

Engineering, Photoredox Process, Photochemistry +9

Synthesis and uncoupling activities of hydrophobic thioureas.

Seiju Kubota, Kisako Horie, HEMANTK. MISRA et al. · Chemical and Pharmaceutical Bulletin · 1985 · 17 citations · Full text

Heterocyclic, Biochemistry, Diaryl Thioureas +10

A Novel and Facile Synthesis of 5-Substituted 1,3-Dioxolane-2,4-diones Using Trichloromethyl Chloroformate

Kouhei Toyooka, Yoshiyuki Takeuchi, Seiju Kubota · Heterocycles · 1989 · 16 citations · Full text

A-hydroxy Carboxylic Acids, Derivatives, Chiral Derivatives +13