Phytochemistry p. 3563 - 3568 (1988)
Update date:2022-08-05
Topics:
Tanaka, Reiko
Tabuse, Miyako
Matsunaga, Shunyo
Five new triterpenes were isolated together with the known triterpene diol, betulin, from the stem bark of Phyllanthus flexuosus.The structures were characterized as olean-12-en-3β-,15α-diol,lup-20(29)-en-3β,24-diol, olean-12-en-3β,24-diol, oleana-11:13(18)-dien-3β,24-diol and olean-12-en-3β,15α,24-triol on the basis of spectroscopic evidence.Key Word Index-- Phyllanthus flexuosus; Euphorbiaceae; stem bark; oleananes; lupanes.
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