Patent · US Expired

Pyrazines, pyrimidines and pyridazines useful in the treatment of senile dementia

US5260293A · kind A · utility

41Cited by
0References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 10, 1991
Grant dateNov 9, 1993
Priority date
Expiry dateOct 10, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D487/04
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides pyrazines, pyridazines or pyrimidines, or salts or prodrugs thereof, substituted on one of the ring carbon atoms thereof with a non-aromatic azacyclic or azabicyclic ring system; and independently substituted on each of the other ring carbon atoms with a substituent of low lipophilicity or a hydrocarbon substituent; which compounds stimulate central muscarinic acetylcholine receptors and therefore are useful in the treatment of neurological and mental illnesses.

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