Diphenyl-1-(aminoalkyl)-2-piperidinone and -2-pyrrolidinone derivatives having anticonvulsant properties
US5334720A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 7, 1991 |
| Grant date | Aug 2, 1994 |
| Priority date | — |
| Expiry date | Mar 7, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D211/76
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Compounds of the formula I, ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 independently represent hydrogen, alkyl, phenyl or substituted phenyl with the proviso that two of R.sub.1, R.sub.2, R.sub.3 or R.sub.4 are phenyl or substituted phenyl and two of R.sub.1, R.sub.2, R.sub.3 or R.sub.4 are hydrogen or alkyl; PA1 m represents an integer from 1-2; and PA1 n represents an integer from 1-3; or a pharmaceutically acceptable salt thereof. The compounds are useful as pharmaceuticals, in particular, in the treatment of epilepsy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.