Pyrazolopyridine compound and processes for preparation thereof

Abstract From the Canadian patent

There are described pyrazolopyridine, compounds of the formula: (see formula I), wherein R1 is aryl, R2 is acyl(lower)alkyl and, A is lower alkenylene, and pharmaceutically acceptable salts thereof. The preparation of these compounds pharmaceutical compositions containing same and their medical uses are also described. These compounds are useful for the treatment of melancholia heart failure, hypertension, renal insufficiency renal, toxicity nephrosis, nephritis, edema obesity, bronchial asthma, gout, hyperuricemia sudden infant, death syndrome, immunosuppression diabetes, myocardiac infarction, thrombosis obstruction, arteriosclerosis obliterans thrombophlebits, cerebral infarction, …