3-[2-(Mono-and dialkylamino)propyl]-1,2,3,4-tetrahydro-5H-[1]ben

Drug – bio-affecting and body treating compositions – Antigen – epitope – or other immunospecific immunoeffector – Bacterium or component thereof or substance produced by said...

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546 62, 546 65, 546 89, 546 92, A61K 31455, C07D491052

Patent

active

043829392

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.

REFERENCES:
patent: 4276296 (1981-06-01), Brown et al.
Modern Synthetic Reactions, House, W. A. Benjamin, New York, p. 16 (1965).
Fieser et al., Advanced Organic Chem., Reinhold Publishing Co., p. 496-497 (1961).

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