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. 2013 Jan:85:194-202.
doi: 10.1016/j.phytochem.2012.08.016. Epub 2012 Sep 17.

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

Shin-Jowl Tan  1 , Kuan-Hon Lim, G Subramaniam, Toh-Seok Kam
Affiliations

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

Shin-Jowl Tan et al. Phytochemistry. 2013 Jan.

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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