Phytochemistry p. 1957 - 1962 (1991)
Update date:2022-08-04
Topics:
Achenbach, Hans
Hemrich, Hans
Twenty-four compounds were isolated from Penianthus zenkeri and their structures determined by spectroscopic and chemical studies. 6-Hydroxycolumbin, 6-hydroxyisocolumbin, penianthic acid methyl ester, 2β,3α-dihydroxy-2,3,7,8α-tetrahydropenianthic acid lactone and the glycosides floribundic acid glucoside and zenkerin are new clerodanes or clerodane derivatives. Key Word Index: Penianthus zenkeri; Menispermaceae; alkaloids; clerodanes; 6-hydroxycolumbin; 6-hydroxyisocolumbin; penianthic acid methyl ester; 2β,3α-dihydroxy-2,3,7,8α-tetrahydropenianthic acid lactone; floribundic acid glucoside; zenkerin.
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