Alkaloid esters
US4035370A · kind A · utility
19Cited by
1References
1Claims
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Assignee
Inventors
Key dates
| Filing date | Dec 29, 1975 |
| Grant date | Jul 12, 1977 |
| Priority date | — |
| Expiry date | Dec 29, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D461/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Vasodilatory eburnamine-type alkaloid esters of the formula (I) ##STR1## and salts and quaternary derivatives thereof, wherein X.about.Y REPRESENTS A =CH=CH- or ##STR2## R represents a C.sub.1-6 alkoxycarbonyl group optionally substituted with a hydroxy group or with a halogen atom, further an alkenyloxycarbonyl, aryloxycarbonyl, aralkoxycarbonyl group or an acylated primary alcohol group, especially apovincaninic acid ethyl ester, have been prepared by various methods of esterification.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.