Koh‐ichi Yamada

Relationship between tyrosinase inhibitory action and oxidation-reduction potential of cosmetic whitening ingredients and phenol derivatives

Katsuya Sakuma, Masayuki Ogawa, Kenji Sugibayashi et al. · Archives of Pharmacal Research · 1999 · 52 citations

Agriculture, Biochemistry, Cosmetic Dermatology +13

Thermal Racemization of Thiaheterohelicenes

Koh‐ichi Yamada, Hiroko Nakagawa, Hiroshi Kawazura · Bulletin of the Chemical Society of Japan · 1986 · 40 citations

Natural Sciences, Chemistry, Computational Chemistry +10

[7],[9],[11],[13], AND [15]HETEROHELICENES ANNELATED WITH ALTERNANT THIOPHENE AND BENZENE RINGS. SYNTHESES AND NMR STUDIES

Koh‐ichi Yamada, Susumu Ogashiwa, Hisao Tanaka et al. · Chemistry Letters · 1981 · 38 citations

Natural Sciences, Chemistry, Organic Chemistry +8

Chiral recognition by single bilayered phosphatidylcholine vesicles using [5]thiaheterohelicene as a probe

Hiroko Nakagawa, Yuuki Kobori, M. Yoshida et al. · Chemical Communications · 2001 · 28 citations

Natural Sciences, Biochemistry, Biophysics +14

Crystal and molecular structures of tetrathia[7]heterohelicene: racemate and enantiomer

Hiroko Nakagawa, Atsuo Obata, Koh‐ichi Yamada et al. · Journal of the Chemical Society Perkin Transactions 2 · 1985 · 28 citations

Natural Sciences, Chemistry, Crystal Structure +16