Patent · US Expired

Diphenyl-1-(aminoalkyl)-2-piperidinone and -2-pyrrolidinone derivatives having anticonvulsant properties

US5334720A · kind A · utility

24Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 1991
Grant dateAug 2, 1994
Priority date
Expiry dateMar 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.