Thomandersine and isothomandersine, 2-indolinone alkaloids from Thomandersia laurifolia

In addition to the usual phytosterol mixture, taraxeryl palmitate and maslinic acid, two new 2-indolinone alkaloids, thomandersine and isothomandersine, have been isolated from a methanol extract of the leaves of Thomandersia laurifolia. Their structures were elucidated by spectroscopic methods and...

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Bibliographic Details
Published in:Phytochemistry (Oxford) 1995-07, Vol.39 (5), p.1249-1251
Main Authors: Ngadjui, Bonaventure Tchaleu, Tamboue, Helene, Ayafor, J.Foyere, Connolly, Joseph D.
Format: Article
Language:English
Subjects:
Biological and medical sciences
Chemical constitution
Fundamental and applied biological sciences. Psychology
Plant physiology and development
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Summary:In addition to the usual phytosterol mixture, taraxeryl palmitate and maslinic acid, two new 2-indolinone alkaloids, thomandersine and isothomandersine, have been isolated from a methanol extract of the leaves of Thomandersia laurifolia. Their structures were elucidated by spectroscopic methods and chemical correlations.
ISSN:0031-9422
1873-3700
DOI:10.1016/0031-9422(94)00930-R