Patent · US Expired

Cis-10-bromo-E-homoeburnanes

US4428877A · kind A · utility

2Cited by
4References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 13, 1981
Grant dateJan 31, 1984
Priority date
Expiry dateFeb 13, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D461/00
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A novel process for preparing 10-bromo-vincaminic acid esters and homologous compounds of the general formula ##STR1## wherein R.sup.1 and R.sup.2 each stand for a C.sub.1-6 alkyl group is disclosed. All the intermediate products are new and exhibit valuable therapeutical effect on the blood circulation.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.