USPA benzolyguanidines
US5292755A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1992 |
| Grant date | Mar 8, 1994 |
| Priority date | — |
| Expiry date | Jan 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.