3-¬2-(mono- and dialkylamino)propyl|-1,2,3,4-...

Details 3-¬2-(mono- and dialkylamino)propyl|-1,2,3,4-... 3-¬2-(mono- and dialkylamino)propyl|-1,2,3,4-...

C - Chemistry, Metallurgy

07

D

167/231, 260/276

C07D 491/052 (2006.01) A61K 31/445 (2006.01) C07D 491/04 (2006.01) C07D 491/153 (2006.01)

Patent

CA 1240328

ABSTRACT Anticholinergic 3-[2-(mono- and dialkylamino)- propyl]-1,2,3,4-tetrahydro-5H-[1]benzopyrano[3,4-c]- pyridin-5-ones useful for treating bronchospastic diseases in mammals are disclosed. Also disclosed are methods for preparing said compounds, pharmaceutical compositions containing them and methods for using said pharmaceutical compositions. A method for preparing the intermediate which is required to prepare the unsubstituted benzopyrano[3,4-c]pyridin-5-ones of the invention is also disclosed.

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