Patent · US Expired

Novel heterocyclic compounds and pharmaceutical composition containing them

US4226996A · kind A · utility

1Cited by
1References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 23, 1978
Grant dateOct 7, 1980
Priority date
Expiry dateOct 23, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D453/02
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to the production of compounds of the general formula: ##STR1## wherein X is selected from the group consisting of oxygen, CH.sub.2 and CH radicals, and when X designates oxygen, R designates alkyl, isoalkyl, aralkyl, and substituted aralkyl groups and when X designates CH.sub.2 then R designates alkyl, phenyl or substituted phenyl group, and A-B is a single bond, and when X designates CH.sub.2, R designates alkyl, phenyl or substituted phenyl groups and A-B is a double bond; and physiologically acceptable salts of these, and pharmaceutical compositions containing the same as active ingredient.

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