Published in
Elsevier, Phytochemistry, 3(40), p. 953-959
DOI: 10.1016/0031-9422(95)00392-k
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Two bis-indole alkaloids from leaves of Ervatamia polyneura
Journal article published in 1995 by
Pascale Clivio,
Dominique Guillaume,
Joseph Vercauteren 
,
Bernard Richard,
Jean-Marc Nuzillard ,
Monique Zèches-Hanrot,
Louisette Le Men-Olivier
,
Bernard Richard,
Jean-Marc Nuzillard ,
Monique Zèches-Hanrot,
Louisette Le Men-Olivier
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Abstract
Two alkaloids with a bis-vincadifformine skeleton, polyervinine and polyervine, have been isolated from the leaves of Ervatamia polyneura (Apocynaceae). The structure of polyervinine was determined by spectroscopic methods and confirmed by analysis of several derivatives. The structure of polyervine was educed by spectroscopic comparison with polyervinine.