Article révisé par les pairs
Résumé : A further study of Voacanga chalotiana Pierre ex Stapf has led to the isolation of two known indole alkaloids: polyneuridine [2] and akuammidine [3], and of two new oxygenated derivatives of voachalotine [1]: voachalotine oxindole [4] and 21(?)‐hydroxyvoachalotine [5]. Copyright © 1969 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim