Published November 30, 1978 | Version v1

Alkaloids of Alstonia boulindaensis Boiteau

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Centre d'Etudes Phanmaceutiques, Laboratoire de Chimie des Substances the'rapeutiques naturelles.
E.R.A. au C.N.R.S.n° 317, Avenue J.B. Cle'ment, 92290 Chatenay—Malabry, France

Institut de Chimie des Substances Naturelles du C.N.R.S. 91. Gif sur Yvette. France

From the aerial parts of Alstonia boulindaensis Boiteau eleven alkaloids were isolated and identified. Eight of them are new : four possess a vincamajine skeleton, one is a sarpagine derivative, and three other compounds contain the new "indolinolid" chromophore 12.

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