Patent · US Expired

Carbamoylpyrrolidone derivatives and drugs for senile dementia

US5202345A · kind A · utility

9Cited by
3References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 7, 1992
Grant dateApr 13, 1993
Priority date
Expiry dateFeb 7, 2012

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D471/10
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A compound of the formula: ##STR1## wherein R.sup.1 is hydrogen, or C.sub.1 14 C.sub.6 alkyl; n is an integer of from 2 to 3; Z.sup.1 is phenyl, benzyl, or isoxazolyl and each is optionally substituted by a halogen, a methoxy, or a methyl group; Z.sup.2 is hydrogen, C.sub.1 -C.sub.5 alkyl, allyl, unsubstituted phenyl, or phenyl substituted by halogen, methyl, or methoxy; or PA1 Z.sub.1 and Z.sub.2 are taken together with the adjacent nitrogen atom to form triazolyl, imidazolyl or pyrazolyl; or a pharmaceutically acceptable acid addition salt thereof.

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