申请人:Takeda Chemical Industries, Ltd.
公开号:EP0166054A1
公开(公告)日:1986-01-02
Novel 3-aminopyrazolo [3,4-d]pyrimidine derivatives represented by the general formula (I)
wherein R, and R2 each independently represents an aliphatic hydrocarbon group; R3 and R4 each independently represents hydrogen, alkyl or acyl; R, is alkyl, alkoxycarbonyl or formyl; and the dotted line designates the presence of two double bonds on the pyrazole ring, to which R, is linked at either the 1-or 2- position and their salts, are useful for antiinflammatory, analgesic and antipyretic agents.
通式(I)代表的新型 3-氨基吡唑并[3,4-d]嘧啶衍生物
其中 R 和 R2 各自独立地代表脂肪族烃基;R3 和 R4 各自独立地代表氢、烷基或酰基;R 是烷基、烷氧羰基或甲酰基;虚线表示吡唑环上存在两个双键,R 在 1- 或 2- 位上与之相连,这些衍生物及其盐类可用于抗炎、镇痛和解热药物。