Journal of the Chemical Society. Perkin transactions I p. 2724 - 2726 (1981)
Update date:2022-08-11
Topics:
Wijeratne, Dharmassree B. T.
Kumar, Vijaya
Sultanbawa, M. Uvais S.
The steam bark of Gymnosporia emarginata (Willd.) Hook f. ex.Thw. (Celastraceae) contains a number of triterpenes including a new oxygenated lupane, 3-oxolup-20(29)-en-30-al (1) and two related lupanes, 3β-hydroxylup-20(29)-en-30-al (2) and 30-hydroxylup-20(29)-en-3-one (3).The structures of these compounds have been established by spectroscopic and chemical methods.
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