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US 4,364,948 AGranted
Pyrazolo[3,4-b]pyridine compounds
AssigneeICI Americas Inc.
InventorsAnthony F. Heald, Richard A. Wildonger
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Abstract
Certain pyrazolo[3,4-b]pyridine compounds which are useful for their activity in the central nervous system of warm-blooded animals, of the following formula (I) ##STR1## wherein R.sub.1 is lower alkyl; R.sub.a is hydrogen and R.sub.b is hydroxy or R.sub.a and R.sub.b combine to form a .dbd.O group; R.sub.5 is hydrogen or lower alkyl; and R.sub.6 is lower alkyl, and the pharmaceutically-acceptable salts thereof.
Claims11
A pyrazolopyridine compound of the following formula (I) ##STR7## wherein R.sub.1 is lower alkyl;
- R.sub.a is hydrogen and R.sub.b is hydroxy or R.sub.a and R.sub.b combine to form a .dbd.O group;
- R.sub.5 is hydrogen or lower alkyl;
- and
- R.sub.6 is lower alkyl,
- and the pharmaceutically-acceptable salts thereof.
2 more elements
Dependencies are inferred from the claim text.