申请人:Takeda Chemical Industries, Ltd.
公开号:US04504662A1
公开(公告)日:1985-03-12
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.
式子为 ##STR1## 的异噁唑并[3,4-d]嘧啶类化合物,其中R.sup.1和R.sup.2分别为低碳基;R.sup.3为低碳基或酰基;R.sup.4为氢、低碳基或酰基,具有哺乳动物的抗炎、镇痛和退热活性,并具有低急性和亚急性毒性。这些化合物特别适用于作为抗炎、镇痛和退热药物。