Antimuscarinic bronchodilators
US5171744A · kind A · utility
14Cited by
3References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1990 |
| Grant date | Dec 15, 1992 |
| Priority date | — |
| Expiry date | Oct 16, 2010 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61P11/08
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Compounds having the formula: ##STR1## wherein X is either (a) a phenyl group optionally substituted by 1 or 2 substituents each independently selected from halo, CF.sub.3, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy and hydroxy, or (b) a thienyl group; and Y is an imidazolyl, pyrazolyl, triazolyl or tetrazolyl group optionally substituted by 1 or 2 substituents each independently selected from halo, CF.sub.3, C.sub.1 -C.sub.4 alkoxy, hydroxy and amino; and pharmaceutically acceptable salts thereof, are antimuscarinic bronchodilators useful in the treatment of chronic obstructive airways disease and asthma.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.