Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Patent
1983-03-04
1985-03-12
Daus, Donald G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Four or more ring nitrogens in the bicyclo ring system
C07D48704, A61K 31505
Patent
active
045046620
ABSTRACT:
Isoxazolo[3,4-d]pyrimidines of the formula ##STR1## wherein R.sup.1 and R.sup.2, respectively, are lower alkyl; R.sup.3 is lower alkyl or acyl; and R.sup.4 is hydrogen, lower alkyl, or acyl have antiflammatory, analgesic and antipyretic activities in mammals and low acute and subacute toxicities, as well. The compounds are particularly useful as an antiinflammatory, analgesic and antipyretic drug.
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Hirota et al., Chemical Abstracts, vol. 95, 150,597a (1981).
Daus Donald G.
Rivers Diana G.
Takeda Chemical Industries Ltd.
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