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US 5,292,749 AGranted
Antimuscarinic bronchodilators
AssigneePfizer Inc.
InventorAlan Stobie
Life of this patent
Estimating the term…
Abstract
The abstract isn’t available for this document.
Claims14
A compound of the formula:
- ##STR77## or a pharmaceutically acceptable salt thereof, 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 "Het" is either (a) a 5-membered nitrogen containing heterocyclic group attached to the adjacent carbon atom either by a carbon or a ring nitrogen atom and which is selected from imidazolyl, pyrazolyl, triazolyl and tetrazolyl, (b) an oxadiazolyl or thiadiazolyl group attached to the adjacent carbon atom by a carbon atom, or (c) a pyridinyl group attached to the adjacent carbon atom by a carbon atom, "Het" being optionally substituted by up to 2 substituents each independently selected from halo, CF.sub.3, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, hydroxy, amino and azido;
- and m is 1 or 2.
A pharmaceutical composition comprising a compound of the formula (I) as claimed in any one of the preceding claims, or a pharmaceutically acceptable salt thereof, and a pharmaceutically acceptable diluent or carrier.
Dependencies are inferred from the claim text.