The alkaloid of the leaves of alstonia scholaris R. Br.
✍ Scribed by A. Chatterjee; B. Mukherjee; A.B. Ray; B. Das
- Publisher
- Elsevier Science
- Year
- 1965
- Tongue
- French
- Weight
- 200 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0040-4039
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## Abstract Three new akuamillan‐type indole alkaloids, __i.e.__, 5‐methoxystrictamine (=methyl (5__β__,16__R__,19__E__)‐5‐methoxyakuammilan‐17‐oate; **1**), methyl (16__R__,19__E__)‐1,2‐dihydro‐16‐(hydroxymethyl)‐5‐oxoakuammilan‐17‐oate (**2**), and methyl (2__β__,16__R__,19__E__)‐4,5‐didehydro‐1,
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 11‐noriridoids named scholareins A–D (**1**–**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