3-aminopyrazolo[3,4-d]pyrimidine derivatives and production ther

Details 3-aminopyrazolo[3,4-d]pyrimidine derivatives and production ther 3-aminopyrazolo[3,4-d]pyrimidine derivatives and production ther

1984-12-05

1986-07-29

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Pteroyl per se or having -c-, wherein x is chalcogen, bonded...

544256, A61K 31415, C07D48704

Patent

active

046032037

ABSTRACT:
Novel 3-aminopyrazolo[3,4-d]pyrimidine derivatives represented by the general formula (I) ##STR1## wherein R.sub.1 and R.sub.2 each represents an aliphatic hydrocarbon group; R.sub.3 and R.sub.4 each represents hydrogen, alkyl or acyl; R.sub.5 is alkyl, alkoxycarbonyl or formyl; and the dotted line designates the presence of two double bonds on the pyrazole ring, to which R.sub.5 is linked at either the 1- or 2-position and their salts, are useful for antiinflammatory, analgesic and antipyretic agents.

REFERENCES:
Naka Chemical and Pharmacalogical Bulletin 27(6) pp. 1328-1334, 1979.
Takeda-Derwent Abstract 32972 (9/1/76).

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