New alkaloids from Elaeocarpus kaniensis Schltr.: nuclear magnetic resonance study
Abstract
Of the alkaloids from Elaeocarpus kaniensis Schltr., the structures of elaeokanines A (1), B (2), C (3), D(4), E (5), and elaeokanidine A (6) have been determined, while elaeokanidines B and C have been shown to be stereoisomers of elaeokanidine A.