Yoshio Sumida

Antitumor agents. 33. Isolation and structural elucidation of bruceoside -A and -B, novel antileukemic quassinoid glycosides, and brucein -D and -E from Brucea javanica

Kuo‐Hsiung Lee, Yasuhiro Imakura, Yoshio Sumida et al. · The Journal of Organic Chemistry · 1979 · 88 citations

Medicinal Chemistry, Pharmaceutical Chemistry, Biochemistry +14

A new chromone from agarwood and pyrolysis products of chromone derivatives.

Keiji Hashimoto, Sachiko Nakahara, Takehisa Inoue et al. · Chemical and Pharmaceutical Bulletin · 1985 · 81 citations · Full text

Room Temperature, Engineering, Medicine +13

Effects of 3-substituents upon orientation in the 1,3-dipolar cyclo-addition reaction between 3-substituted pyridine N-imides and ethyl propiolate: syntheses of ethyl 4- and 6-substituted pyrazolo[1,5-a]-pyridine-3-carboxylates

Yasumitsu Tamura, Yoshio Sumida, Yasuyoshi Miki et al. · Journal of the Chemical Society Perkin Transactions 1 · 1975 · 37 citations

Engineering, Heterocyclic, 3-Substituted Pyridine N-imides +12

Synthesis and thermal reaction of 2,2-diacyl-N-(1-pyridinio)vinylaminides: formation of pyrazolo[1,5-a]pyridines and isoxazoles

Yasumitsu Tamura, Yasuyoshi Miki, Yoshio Sumida et al. · Journal of the Chemical Society Perkin Transactions 1 · 1973 · 27 citations

Organic Material Chemistry, Derivatives, Engineering +12

The crystal and molecular structures of the 1:1 addition compounds of piperidine with p-bromobenzoic acid and p-chlorobenzoic acid

Setsuo Kashino, Yoshio Sumida, M. Haisa · Acta Crystallographica Section B · 1972 · 20 citations

Inorganic Chemistry, Engineering, Heterocyclic +8