delavayine
National Institutes of Health
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From the herb Stephania Delavayi Diels (Menispermaceae) growing in Transcauoas ia , by chromatography of the total alkaloids on a…
The NMR spect rum of (I) is also very s imi lar to the spec t rum of delavayine. Below we give the cha r ac te r i s t ics of the…
[reaction: see text] In contrast to the [3+2] or [4+3] cycloaddition of N-metalated azomethine ylides and various alkenes, N…
ConclusionsThe definitive structure of delevayine — an alkaloid isolated earlier from the herbStephania delovayi — has been…