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    • 6. 发明授权
    • Purine derivatives
    • 嘌呤衍生物
    • US5672588A
    • 1997-09-30
    • US521077
    • 1995-08-28
    • Lars Jacob Stray KnutsenJesper Lau
    • Lars Jacob Stray KnutsenJesper Lau
    • C07H19/16A61K31/70
    • A61K31/7076C07H19/16Y10S514/929
    • A compound of formula (I), or a pharmaceutically acceptable salt thereof: ##STR1## wherein X is hydrogen, amino, halogen, hydroxy, lower alkoxy or lower alkyl and R.sup.1 is ##STR2## wherein Y is methylene or a valence bond, R.sup.2 and R.sup.5 is H or lower, straight or branched alkyl, R.sup.3 is H or lower alkyl, or R.sup.2 and R.sup.3 can together form a cyclobutyl, cyclopentyl, cyclohexyl or phenyl ring, Z is oxygen, methylene, sulphur, sulphonyl or a valence bond, R.sup.4 is H, lower alkyl, aralkyl, a mono or bicyclic aromatic system optionally substituted with various groups. The compounds have been found useful for treating central nervous system ailments.
    • 式(I)化合物或其药学上可接受的盐:其中X是氢,氨基,卤素,羟基,低级烷氧基或低级烷基,R 1是其中Y是亚甲基或价数 键,R2和R5是H或更低的直链或支链烷基,R3是H或低级烷基,或R2和R3可以一起形成环丁基,环戊基,环己基或苯环,Z是氧,亚甲基,硫,磺酰基或 价键,R 4是H,低级烷基,芳烷基,任选被各种基团取代的单或二环芳族体系。 已经发现这些化合物可用于治疗中枢神经系统疾病。