NOVEL ISOCOUMARIN DERIVATIVES FROM ACHLYS TRIPHYLLA (BERBERIDACEAE)

Mizuo MIZUNO; Shinji YOSHIDA; Munekazu IINUMA; Toshiyuki TANAKA; Frank A. LANG; Kiyoto GOTO

doi:10.1248/cpb.38.2075

Mizuo MIZUNO, Shinji YOSHIDA, Munekazu IINUMA, Toshiyuki TANAKA, Frank A. LANG, Kiyoto GOTO

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Keywords: Achlys triphylla, Berberidaceae, 7-geranyl-6, 8-dihydroxy-3-(4'-hydroxyphenylethyl)isocoumarin, 7-geranyl-6, 8-dihydroxy-3-(4'-hydroxyphenylenthenhyl)isocoumarin, 6, 8-dihydroxy-3-(3', 4'-dihydroxyphenylethenyl)isocoumarin

JOURNAL FREE ACCESS

1990 Volume 38 Issue 7 Pages 2075-2077

DOI https://doi.org/10.1248/cpb.38.2075

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Abstract

Three new phenolic compounds with a novel skeleton were isolated from the underground parts of Achlys triphylla (Berberidaceae). The structures were established by means of spectroscopic methods to be 7-geranyl-6, 8-dihydroxy-3-(4'-hydroxyphenylethyl)isocoumarin (1__∼) for achlisocoumarin I, 7-geranyl-6, 8-dihydroxy-3-(4'-hydroxyphenylethenyl)isocoumarin (2__∼) for achlisocoumarin II, and 6, 8-dihydroxy-3-(3', 4'-dihydroxyphenylethenyl)isocoumarin (3__∼) for achlisocoumarin III, respectively.

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