Patent · US Expired

Muscarinic antagonists

US5935958A · kind A · utility

38Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 26, 1997
Grant dateAug 10, 1999
Priority date
Expiry dateJun 26, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D311/74
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Di-N-substituted piperazine or 1,4-di-substituted piperidine compounds in accordance with formula I (including all isomers, salts, esters, and solvates) ##STR1## wherein Q, n, R, R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.21, R.sup.27, R.sup.28, X, and Z are as defined herein are muscarinic antagonists useful for treating cognitive disorders such as Alzheimer's disease. Pharmaceutical compositions and methods of preparation are also disclosed. Also disclosed are synergistic combinations with acetyl-cholinesterase inhibitors of compounds capable of enhancing acetylcholine release and having the above formula.

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