Apovincaminic acid esters
US4474960A · kind A · utility
3Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 11, 1982 |
| Grant date | Oct 2, 1984 |
| Priority date | — |
| Expiry date | Jun 11, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D461/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process is disclosed for the preparation of racemic cis or trans apovincaminic acid esters of the formula (I) ##STR1## and the corresponding optically active derivatives of the formulae (Ia) ##STR2## wherein R.sup.1 and R.sup.2 are identical or different alkyl groups having 1 to 6 carbon atoms. Apovincaminic acid alkyl esters are well-known vasodilating compounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.