P-hydroxy phenone derivatives and drugs containing these
US4980361A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1989 |
| Grant date | Dec 25, 1990 |
| Priority date | — |
| Expiry date | Jul 13, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D333/22
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Abstract of the disclosure: p-hydroxy phenone derivatives of the formula I ##STR1## where X is ##STR2## where R.sup.1 =F, Cl, Br or trifluoromethyl or a heteroaryl of the structure ##STR3## with R.sup.2 =C.sub.1 -C.sub.4 -alkyl, Y is a bridging member of the formula --CH.dbd.CH--, --CH.sub.2 CH.sub.2 -- or --CH.sub.2 --, PA1 is one of the numbers 2, 3 or 4 and PA1 is an amino group of the formula --NR.sup.2 R.sup.3 or N-pyrrolidyl or N-piperidyl, where R.sup.2 and R.sup.3 are, independently of one another, C.sub.1 -C.sub.4 -alkyl, as well as the physiologically tolerated salts thereof, are used for preparing antiarrhythmic drugs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.