Antimuscarinic bronchodilators

C - Chemistry – Metallurgy – 07 – D

Patent

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Details

C07D 453/02 (2006.01) A61K 31/435 (2006.01) C07C 317/44 (2006.01) C07C 323/56 (2006.01) C07D 333/24 (2006.01)

Patent

CA 2116356

Compounds of formula (1) wherein X is either (a) a phenyl group optionally substituted by 1 or 2 substiuents each independently selected from halo, CF3, C1-C4 alkyl, C1-C4 alkoxy and hydroxy or (b) a thienyl group; and Y is of formula (Ya) or (Yb)where A and B are 0,1 or 2,D and E are 0 or 1,F is 0-3 and D + E + F = 1-3,Z is 0,1 or 2, R1 and R2 are H or alkyl or form a ring, and R3 is C1-C4 alkyl, C3-C6 cycloalkyl or optionally substituted phenyl or benzyl, are antimuscarinic bronchodilators useful for treating chronic obstructive airways disease or asthma.

Composés de formule (1) où X est soit (a) un groupe phényle facultativement substitué par 1 ou 2 substituants choisis, chacun indépendamment, parmi les groupes halo, CF3, alkyle en C1-C4, alcoxy en C1-C4 et hydroxy, soit (b) un groupe thiényle; et Y est de formule (Ya) ou (Yb) où A et B sont égaux à 0,1 ou 2, D et E sont égaux à 0 ou 1, F correspond à 0-3 et D + E + F = 1-3, Z est égal à 0,1 ou 2, R1 et R2 sont H ou un alkyle ou forment un noyau, et R3 est un alkyle en C1-C4, un cycloalkyle en C3-C6 ou un phényle ou un benzyle facultativement substitués; ces composés sont des bronchodilatateurs antimuscariniques utiles pour traiter les maladies obstructives des voies respiratoires chroniques ou l'asthme.

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