Patent · US Expired

USPA benzolyguanidines

US5292755A · kind A · utility

34Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 31, 1992
Grant dateMar 8, 1994
Priority date
Expiry dateJan 31, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07C2601/14
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Benzoylguanidines of the formula I ##STR1## where R(1) or R(2) is equal to R(6)--S(O).sub.n -- or R(7)R(8)N--O.sub.2 S-- PA1 and the other substituent R(1) or R(2) is in each case equal to H, F, Cl, Br, I, alkyl, alkoxy or phenoxy, R(6)--S(O).sub.n or R(7)R(8)N-- PA1 and R(6) is equal to alkyl, cycloalkyl, cyclopentylmethyl, cyclohexylmethyl or phenyl, PA1 R(7) and R(8) are equal to alkyl or phenylalkyl or phenyl, PA1 and in which R(7) and R(8) may also together be a C.sub.4 --C.sub.7 chain, and in which R(7) and R(8), together with the nitrogen atom to which they are bonded, may be a dihydroindole, tetrahydroquinoline or tetrahydroisoquinoline system, PA1 and where R(3), R(4) and R(5) are equal to hydrogen or alkyl, or R(3) and R(4) are together an alkylene chain or R(4) and R(4) are together an alkylene chain, PA1 and where n is equal to zero, 1 or 2 and their pharmaceutically tolerable salts are outstanding antiarrhythmics.

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