Yumiko Hirata

Synthesis of the 4-alkylidenebutenolide carotenoids, peridinin and pyrrhoxanthin

Masayoshi Ito, Yumiko Hirata, Yûkô Shibata et al. · Journal of the Chemical Society Perkin Transactions 1 · 1990 · 38 citations

Bioorganic Chemistry, Biochemistry, Physicochemical Analysis +12

Products from reactions of methyl (E)-2-cyano-3-(p-substituted-phenyl)acrylates with 1-phenyldiazoethane and cycloreversion of secondary pyrazolines

W. NAGAI, Yumiko Hirata · The Journal of Organic Chemistry · 1989 · 30 citations

Chemical Engineering, Secondary Pyrazolines, Engineering +12

Retinoids and related compounds. XI. Synthesis and stereochemistry of (.+-.)-C22-acetylenic and allenic apocarotenals.

Masayoshi Ito, Yumiko Hirata, Kiyoshi Tsukida et al. · Chemical and Pharmaceutical Bulletin · 1988 · 26 citations · Full text

Bioorganic Chemistry, Biochemistry, Natural Sciences +10

Photocyclisation of enamides. Part 27. Total syntheses of (±)-yohimbine, (±)-alloyohimbine, and (±)-19,20-didehydroyohimbines

Takeaki Naito, Yumiko Hirata, Okiko Miyata et al. · Journal of the Chemical Society Perkin Transactions 1 · 1988 · 15 citations

Diversity Oriented Synthesis, Natural Product Synthesis, Bioorganic Chemistry +14

Photocyclization of Enamides. XXVIII. : A Formal Total Synthesis of (±)-Deserpidine

Takeaki Naito, Yumiko Hirata, Okiko Miyata et al. · Chemical and Pharmaceutical Bulletin · 1989 · 14 citations · Full text

Engineering, Organic Chemistry, Formal Total Synthesis +16