Macroline-sarpagine and macroline-pleiocarpamine bisindole alkaloids from Alstonia angustifolia

Tan SJ 1 , Lim KH , Subramaniam G , Kam TS

Affiliations 

  • 1 Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
Phytochemistry, 2013 Jan;85:194-202.
PMID: 22995929 DOI: 10.1016/j.phytochem.2012.08.016

Abstract

Nine bisindole alkaloids, comprising four belonging to the macroline-sarpagine group, and five belonging to the macroline-pleiocarpamine group, were isolated from the stem-bark extracts of Alstonia angustifolia (Apocynacea). Their structures were established using NMR and MS analyses.

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