Pyridazinones, their preparation and use, and medicaments...

Details Pyridazinones, their preparation and use, and medicaments... Pyridazinones, their preparation and use, and medicaments...

C - Chemistry, Metallurgy

07

D

167/224, 260/264

C07D 237/10 (2006.01) A61K 31/50 (2006.01) C07D 237/14 (2006.01) C07D 237/18 (2006.01)

Patent

CA 1247100

Abstract 6-Aryl-3[2H]pyridazinones of the formula I Image (I) wherein one of the substituents R1 or R2 denotes methoxy and the other denotes (C2-C5)alkoxy or (C3-C5)alkenyloxy and X denotes oxygen or sulfur, and their pharmacologic- ally acceptable salts with bases, are suitable for use as a bronchospasmolytic or cardiotonic agent. Processes for the preparation of the compounds and appropriate me- dicaments are described.

454099

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