Antimuscarinic bronchodilators

C - Chemistry – Metallurgy – 07 – D

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C07D 453/02 (2006.01) A61K 31/44 (2006.01)

Patent

CA 2027896

ABSTRACT Antimuscarinic Bronchodilators Compounds having the formula: Image --- (I) wherein X is either (a) a phenyl group optionally substituted by 1 or 2 substituents each independently selected from halo, CF3, C1-C4 alkyl, C1-C4 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, CF3, C1-C4 alkoxy, hydroxy and amino; and pharmaceutically acceptable salts thereof, are antimuscarinic bronchodilators useful in the treatment of chronic obstructive airways disease and asthma. PLC 511

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