Yasuhiko Kawamura

13C NMR spectral assignment of the A-ring of polyoxygenated flavones

Tokunaru Hòrie, Yoshizumi OHTSURU, Kenichi Shibata et al. · Phytochemistry · 1998 · 122 citations

Life Sciences, Biochemistry, Botany +4

Synthesis of Isoflavones from 2′-Hydroxychalcones Using Poly[4-(diacetoxy)iodo]styrene or Related Hypervalent Iodine Reagent

Yasuhiko Kawamura, Masashi Maruyama, Takanori Tokuoka et al. · Synthesis · 2002 · 47 citations

Natural Sciences, Biochemistry, Chemistry +6

Studies of the selective O-alkylation and dealkylation of flavonoids. 10. Selective demethylation of 7-hydroxy-3,5,8-trimethoxyflavones with anhydrous aluminum halide in acetonitrile or ether

Tokunaru Hòrie, Masao Tsukayama, Yasuhiko Kawamura et al. · The Journal of Organic Chemistry · 1987 · 31 citations

Natural Sciences, Chemistry, Medicinal Chemistry +8

Synthesis of Pyranoisoflavones from Pyronochalcones: Synthesis of Elongatin and Its Angular Isomer

Masao Tsukayama, Yasuhiko Kawamura, Hiroto Tamaki et al. · Bulletin of the Chemical Society of Japan · 1989 · 30 citations · Full text

Natural Sciences, Chemistry, Green Chemistry +8

Studies of the selective O-alkylation and dealkylation of flavonoids. XII. A new, convenient method for synthesizing 3,5-dihydroxy-6,7-dimethoxyflavones from 3,5,6,7-tetramethoxyflavones.

Tokunaru Hòrie, Yasuhiko Kawamura, Masao Tsukayama et al. · Chemical and Pharmaceutical Bulletin · 1989 · 29 citations · Full text

Pharmacy, Chemistry, Medicinal Chemistry +8