Structure des caboxines: Alcaloïdes oxindoliques du Cabucala fasciculata

Phytochemistry
1975.0

Abstract

The structures of three new 11-monomethoxy pentacyclic oxindole alkaloids have been elucidated by chemical correlations with reserpinine: caboxine-A was assigned to the allo C19-méthyl α series: 3S, 4R, 7S, 19S; isocaboxine-A and B to the epi-allo C19-methyl α series and have, respectively, the following configurations 3R, 4S, 7S, 19S and 3R, 4S, 7R, 19S. © 1975.

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