Abstract
Ethanol extracts of
Ervatamia orientalis have yielded the following known alkaloids: ibogaine,
iboxygaine, voacristine, vobasine, dregamine, tabernaemontanine, apparicine,
voacamine and 16- demethoxycarbonylvoacamine. In addition, two new dimeric
alkaloids of the voacamine group and the novel 2-acylindoles ervatamine, 20- epiervatamine
and 19-dehydroervatamine have been isolated from the extracts. The two new
dimeric compounds have been identified by physical and chemical methods as
16-demethoxycarbonyldihydrovoacamine and 16-demethoxycarbonyl-20?-epi-dihydrovoacamine.
Cited by
40 articles.
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