Alkaloids of the stem bark of Alstonia lanceolifera
β Scribed by T. Ravao; B. Richard; T. Sevenet; G. Massiot; L. le Men-Olivier
- Publisher
- Elsevier Science
- Year
- 1982
- Tongue
- English
- Weight
- 225 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0031-9422
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The isolation and characterization of two new indole alkaloids of tetrahydro-P-carboline type, e., venenatine and isovenenatine in addition to reserpine and stigmasterol from the bark of Alstonia venenata R. Br. was reported some time ago.2s3 More recently venoxidine has been isolated and shown to b
## Abstract Four new 11βnoriridoids named scholareins AβD (**1**β**4**), along with three known derivatives, isoboonein (**5**), alyxialactone (**6**), and loganin (**7**), were isolated from EtOH extracts of the bark of __Alstonia scholaris__ by chromatographic methods. Their structures were ident