Patent · US Expired

Heterobicyclo intermediates

US4321383A · kind A · utility

7Cited by
3References
2Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJun 25, 1981
Grant dateMar 23, 1982
Priority date
Expiry dateJun 25, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D495/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A compound of the formula ##STR1## wherein R.sub.1 is hydrogen, lower alkyl, phenyl lower alkyl or halo substituted lower alkyl; PA1 R.sub.2 is hydrogen, lower alkyl, phenyl lower alkyl or halo substituted lower alkyl; PA1 n is 0, 1 or 2; PA1 X is --(CH.sub.2).sub.m Z--; PA1 Z is oxygen, sulfur or imino; PA1 m is 0 or 1; PA1 Y is S--R or ##STR2## R is hydrogen, lower alkyl, ##STR3## R.sub.3 is lower alkyl, phenyl or phenyl lower alkyl; and R.sub.4 is hydroxy, amino, hydroxyamino or lower alkoxy. These compounds are useful as hypotensive agents.

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