Alkaloids of Cyathostemma wrayi King (Annonaceae)

Author

MOHD FADZLI MD DIN, JUDITH JAMES, MAT ROPI MUKHTAR & KHALIJAH AWANG

Proceeding

The 21st Annual Seminar of the Malaysian Natural Product Society.(Herbal Medicine:Natural Products Society), Palm Garden, Putrajaya Malaysia.

Date

22/11/2005

Keyword

Cyathostemma wrayi, alkaloids, oxoaporphines, spectroscopic techniques

Abstract

An investigation of the bark ofCyathostemma wrayiKing (KL3786) hasĀ  yielded 7 alkaloids, namely liriodenine (1), atherospermidine (2), lysicamine (3), asimilobine (4), xylopine (5), thalicminine (6) and stepharine (7). Their structures were established through the use of 1D and 2D NMR techniques, MS, IR and UV.