Diarylpentanoids from Diplomorpha canescens and Diplomorpha ganpi |
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Authors: | Hari Prasad Devkota Masato Watanabe Takashi Watanabe Shoji Yahara |
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Affiliation: | 1. Graduate School of Pharmaceutical Sciences, Kumamoto University, 5-1 Oe-honmachi, Kumamoto 862-0973, Japan;2. Research Organization for Regional Alliances, Kochi University of Technology, 185 Miyanokuchi, Tosayamada, Kami City, Kochi 782-0003, Japan |
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Abstract: | Two new α-hydroxy ketone type diarylpentanoids, diplomorphanone A, 2(S)-hydroxy-1-(4-hydroxyphenyl)-5-phenyl-1-pentanone (1) and diplomorphanone B, 2(R)-hydroxy-1,5-diphenyl-1-pentanone (2) were isolated from aerial parts of Diplomorpha canescens (Meisn.) C.A. Meyer and roots of Diplomorpha ganpi (Sieb. et Zucc.) Nakai, respectively. Nine known compounds including diarylpentanoids (3–6), phenylpropanoid derivatives (7–9), (+)-afzelechin (10) and apiosylskimmin (11) were also isolated for the first time from D. ganpi. Structures of these compounds were elucidated on the basis of spectroscopic data. |
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