Patent · US Expired

Therapeutic agents

US4629727A · kind A · utility

17Cited by
2References
40Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 28, 1983
Grant dateDec 16, 1986
Priority date
Expiry dateSep 28, 2003

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D409/12
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Compounds of formula I ##STR1## in which n=0 or 1; in which, when n=0, R.sub.1 is H, an alkyl, a cycloalkyl, a cycloalkylmethyl, an alkenyl or, an alkynyl group a heterocyclic ring or an optionally substituted phenyl ring or when n=1, R.sub.1 is H or an alkyl group; PA0 in which R.sub.2 and R.sub.3 are H or an alkyl group; PA0 in which A is a group of formula III EQU --(CH.sub.2).sub.x --W--(CH.sub.2).sub.y -- III PA0 in which W is an oxygen atom or a group of formula --S(O).sub.m --, a group of formula --CR.sub.12 R.sub.13 --, a cycloalkylidene group or a cycloalkylene group; x is 0 or an integer from 1 to 5; y is 0 or an integer from 1 to 5. PA0 in which R.sub.4 is a carbocyclic ring, a heterocyclic ring, a cyano group, a carbamoyl group, an alkoxycarbonyl group, an amido group, an acyloxy group, a hydroxy group, a thiol group, or a group of formula --OR.sub.20, --SR.sub.20, --SOR.sub.20 or SO.sub.2 R.sub.20. PA0 in which R.sub.5, R.sub.6 and R.sub.7 are H, halo, trifluoromethyl, hydroxy, an alkyl group, an alkoxy or alkylthio group, phenyl or R.sub.5 and R.sub.6, together with the carbon atoms to which they are attached, form an optionally substituted second benzene ring; PA0 in…

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