(2α,17S,19E)-19,20-Didehydro-17-hydroxyajmalan-16-carboxylic acid methyl ester
- CAS No.
- 2506-26-5
- Chemical Name:
- (2α,17S,19E)-19,20-Didehydro-17-hydroxyajmalan-16-carboxylic acid methyl ester
- Synonyms
- Vincamajine;O-Deacetylvincamedine;(2α,17S,19E)-19,20-Didehydro-17-hydroxyajmalan-16-carboxylic acid methyl ester;Ajmalan-16-carboxylic acid, 19,20-didehydro-17-hydroxy-, methyl ester, (2α,17S,19E)-
- CBNumber:
- CB22371281
- Molecular Formula:
- C22H26N2O3
- Molecular Weight:
- 366.46
- MDL Number:
- MOL File:
- 2506-26-5.mol
(2α,17S,19E)-19,20-Didehydro-17-hydroxyajmalan-16-carboxylic acid methyl ester Chemical Properties,Uses,Production
Description
A minor constituent of Vinca major, this alkaloid has been obtained by chromatography of the alkaloidal fraction followed by recrystallization from MeOH when it forms long, colourless needles. It is laevorotatory with [α]D - 55° (c 0.45, 96% EtOH). The crystalline hydrochloride has m.p. 259-261°C (dec.); [α]D -40° (c 0.38, H2O). One secondary non-phenolic hydroxyl group is present and the O-acetate is identical with Vincamedine (q.v.).
References
Janot, LeMen., Compt. rend., 241,767 (1955)
(2α,17S,19E)-19,20-Didehydro-17-hydroxyajmalan-16-carboxylic acid methyl ester Preparation Products And Raw materials
Raw materials
Preparation Products
(2α,17S,19E)-19,20-Didehydro-17-hydroxyajmalan-16-carboxylic acid methyl ester Suppliers
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(2α,17S,19E)-19,20-Didehydro-17-hydroxyajmalan-16-carboxylic acid methyl ester
Vincamajine
Ajmalan-16-carboxylic acid, 19,20-didehydro-17-hydroxy-, methyl ester, (2α,17S,19E)-
O-Deacetylvincamedine
2506-26-5