Hirotaka Shibuya

Stereoselective Oxidation at C-4 of Flavans by the Endophytic Fungus Diaporthe sp. Isolated from a Tea Plant

Andria Agusta, Shoji Maehara, Kazuyoshi Ohashi et al. · Chemical and Pharmaceutical Bulletin · 2005 · 143 citations · Full text

Life Sciences, Botany, Plant Sciences +15

Chemical Studies on Crude Drug Processing. V. On the Constituents of Ginseng Radix Rubra (2) : Comparison of the Constituents of White Ginseng and Red Ginseng Prepared from the Same Panax ginseng Root

Isao Kitagawa, TOSHIO TANIYAMA, Hirotaka Shibuya et al. · YAKUGAKU ZASSHI · 1987 · 89 citations · Full text

Pharmacy, Medicinal Chemistry, Bioisosterism +8

Transformation of Cinchona Alkaloids into 1-N-Oxide Derivatives by Endophytic Xylaria sp. Isolated from Cinchona pubescens.

Hirotaka Shibuya, Chinami Kitamura, Shoji Maehara et al. · Chemical and Pharmaceutical Bulletin · 2003 · 66 citations · Full text

Life Sciences, Biochemistry, Botany +16

Bisanthraquinone Metabolites Produced by the Endophytic Fungus Diaporthe sp.

Andria Agusta, Kazuyoshi Ohashi, Hirotaka Shibuya · Chemical and Pharmaceutical Bulletin · 2006 · 62 citations · Full text

Life Sciences, Biochemistry, Botany +17

Indonesian Medicinal Plants. XXV. Cancer Cell Invasion Inhibitory Effects of Chemical Constituents in the Parasitic Plant Scurrula atropurpurea (Loranthaceae).

Kazuyoshi Ohashi, Hendig Winarno, Mutsuko Mukai et al. · Chemical and Pharmaceutical Bulletin · 2003 · 57 citations · Full text

Life Sciences, Botany, Plant Sciences +14