Pyrazolo[3,4-b]pyridine carboxylic acid esters and their pharmac

Details Pyrazolo[3,4-b]pyridine carboxylic acid esters and their pharmac Pyrazolo[3,4-b]pyridine carboxylic acid esters and their pharmac

1983-05-19

1985-11-12

Jiles, Henry R.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Having -c-, wherein x is chalcogen, bonded directly to...

546120, A61K 3144, C07D47104

Patent

active

045528837

ABSTRACT:
Compounds of the formula (I): ##STR1## wherein R.sup.1, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 have defined values and the N-oxides at the 7-position of the pyrazolo[3,4-b]pyridine ring system and the pharmaceutically-acceptable acid-addition salts thereof, processes for their preparation and use, pharmaceutical compositions, and intermediates for preparing said compounds of the formula (I). The compounds of formula (I) are central nervous system depressants, for example anxiolytic agents.

REFERENCES:
patent: 3755340 (1973-08-01), Hoehn et al.
patent: 3849411 (1974-11-01), Hoehn et al.
patent: 4364948 (1982-12-01), Heald et al.
Puar et al., J. of Pharm. Sciences, 67(6), Jun. 1978, pp. 850-853.

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