Anticholinergic agents
US5486527A · kind A · utility
16Cited by
3References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 28, 1994 |
| Grant date | Jan 23, 1996 |
| Priority date | — |
| Expiry date | Jul 28, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F7/0836
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Selective muscarinic receptor antagonists of formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are both optionally substituted phenyl, the broken line is an optional bond, X is >COH--, >SiOH-- or CH-- when the double bond is absent or is >C.dbd. when the double bond is present, X being attached to a carbon atom of A, A is selected from certain piperidine and pyrrolidine groups, n is 1 to 3 and R.sup.3 is optionally substituted phenyl or thienyl, pyridyl or pyrazinyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.