Purine derivative and pharmaceutical composition
    32.
    发明授权
    Purine derivative and pharmaceutical composition 失效
    嘌呤衍生物和药物组合物

    公开(公告)号:US4728644A

    公开(公告)日:1988-03-01

    申请号:US768535

    申请日:1985-07-22

    CPC分类号: C07D473/34

    摘要: Purine derivatives of the formula: ##STR1## wherein R is hydrogen, alkyl or phenyl which may be substituted by at least one halogen, lower alkyl or lower alkoxy; each of R.sup.1 and R.sup.2 is hydrogen, alkyl, cycloalkyl, hydroxyalkyl, dialkylaminoalkyl, cyclic aminoalkyl, alkenyl or aralkyl, or R.sup.1 and R.sup.2 together with the adjacent nitrogen atom form a heterocycle; and each of R.sup.3 and R.sup.4 is hydrogen or lower alkyl, and pharmaceutically acceptable acid addition salts thereof and/or hydrates, methods of preparing said compounds and pharmaceutical compositions containing said compounds. The purine compounds exhibit antiinflammatory, analgesic, antipyretic and antiallergic activity, and inhibitory activity on platelet aggregation, and are useful as drugs.

    摘要翻译: PCT No.PCT / JP84 / 00633 Sec。 371日期:1985年7月22日 102(e)日期1985年7月22日PCT提交1984年12月28日PCT公布。 第WO85 / 03077号公报 1985年7月18日。具有下式的嘌呤衍生物:其中R是氢,可被至少一个卤素,低级烷基或低级烷氧基取代的烷基或苯基; R 1和R 2各自为氢,烷基,环烷基,羟基烷基,二烷基氨基烷基,环状氨基烷基,烯基或芳烷基,或者R 1和R 2与相邻的氮原子一起形成杂环; 并且R 3和R 4各自为氢或低级烷基,及其药学上可接受的酸加成盐和/或水合物,制备所述化合物的方法和含有所述化合物的药物组合物。 嘌呤化合物具有抗炎,止痛,解热和抗过敏活性,对血小板聚集具有抑制活性,可用作药物。