Patent · US Expired

11 .beta.-(4-isopropenylphenyl)estra-4,9-dienes, their production, and pharmaceutical preparations containing same

US4814327A · kind A · utility

24Cited by
7References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 24, 1987
Grant dateMar 21, 1989
Priority date
Expiry dateJul 24, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07J41/0094
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

11 .beta.-(4-isopropenylphenyl)-estra-4,9-dienes of general Formula I ##STR1## wherein X is an oxygen atom or a hydroxyimino grouping N OH, PA0 R.sup.1 is a hydrogen atom or a methyl group, PA0 R.sup.2 is a hydrogen atom or an acyl residue of 1-10 carbon atoms, PA0 R.sup.3 is a hydrogen atom, the cyanomethyl group, --(CH.sub.2).sub.n --, CH.sub.2 Z, --CH.dbd.CH--(CH.sub.2).sub.m Z or --C.tbd.C--Y wherein n=0 to 5 and m=1 to 4, Z meaning a hydrogen atom or the OR.sup.4 group with R.sup.4 meaning a hydrogen atom, an alkyl or alkanoyl group each of 1-4 carbon atoms, and Y meaning a hydrogen, chlorine, fluorine, iodine or bromine atom, an alkyl, hydroxyalkyl, alkoxyalkyl or acyloxyalkyl group each of 1-4 carbon atoms in the alkyl or acyl residue, possess antiprogestational activity.

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