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    • 7. 发明授权
    • Pyrazolo(3,4-d)pyrimidine compounds, compositions and method of use
    • 吡唑并(3,4-d)嘧啶化合物,组合物和使用方法
    • US4904666A
    • 1990-02-27
    • US181729
    • 1988-04-14
    • Walter-Gunar FriebeWolfgang KampeOtto-Henning Wilhelms
    • Walter-Gunar FriebeWolfgang KampeOtto-Henning Wilhelms
    • A61K31/505A61K31/519A61P11/08A61P11/16A61P29/00A61P37/08C07D487/04
    • C07D487/04
    • The present invention provides pyrazolo[3,4-d]-pyrimidines of the general formula: ##STR1## wherein R.sub.1 is a C.sub.1 to C.sub.6 -alkyl radical, a C.sub.2 to C.sub.6 -alkenyl radical, a C.sub.3 to C.sub.7 -cycloalkyl radical or an aryl radical, R.sub.2 is a C.sub.2 to C.sub.6 -alkenyl radical, a C.sub.3 to C.sub.7 -cycloalkyl radical or an aralkyl or hetaralkyl radical with 1 to 6 carbon atoms in the alkyl moiety and substituted, if desired, one or more times by halogen, C.sub.1 to C.sub.6 -alkyl, hydroxyl, C.sub.1 to C.sub.6 -alkoxy, C.sub.1 to C.sub.3 -haloalkyl, C.sub.3 to C.sub.7 -alkoxy carbonyl, aminocarbonyl, C.sub.2 to C.sub.7 -alkylaminocarbonyl, C.sub.3 to C.sub.13 -dialkylaminocarbonyl, cyano or C.sub.1 to C.sub.6 -alkylthio and R.sub.3 is a hydrogen atom or a C.sub.2 to C.sub.6 -alkyl radical substituted, if desired, one or more times by hydroxyl or is a tetrahydrofuranyl or tetrahydropyranyl radical, with the proviso that R.sub.2 cannot be an unsubstituted benzyl radical when R.sub.1 is a methyl radical, and the physiologically acceptable salts thereof with inorganic and organic acids.The present invention also provides processes for the preparation of these compounds and pharmaceutical compositions containing them.
    • 本发明提供通式如下的吡唑并[3,4-d] - 嘧啶:其中R 1为C 1至C 6 - 烷基,C 2至C 6链烯基,C 3至C 7环烷基 基团或芳基,R 2是C 2至C 6 - 烯基,C 3至C 7 - 环烷基或在烷基部分具有1至6个碳原子的芳烷基或杂烷基,如果需要, 卤素,C1至C6烷基,羟基,C1至C6烷氧基,C1至C3-卤代烷基,C3至C7-烷氧基羰基,氨基羰基,C2至C7-烷基氨基羰基,C3至C13-二烷基氨基羰基,氰基或C1至C6-烷硫基 并且R 3是氢原子或C 2至C 6烷基如果需要,被羟基取代一次或多次,或者是四氢呋喃基或四氢吡喃基,条件是当R 1是甲基时,R 2不能是未被取代的苄基 ,以及其与无机和有机酸的生理上可接受的盐。 本发明还提供了制备这些化合物的方法和含有它们的药物组合物。
    • 8. 发明授权
    • N.sup.6 -disubstituted purine derivatives, and pharmaceutical
compositions containing them, useful for treating allergic diseases,
bronchospastic and bronchoconstrictory conditions
    • N6-二取代嘌呤衍生物和含有它们的药物组合物,其可用于治疗过敏性疾病,支气管痉挛和支气管收缩条件
    • US4853386A
    • 1989-08-01
    • US897109
    • 1986-08-15
    • Walter-Gunar FriebeOtto-Henning Wilhelms
    • Walter-Gunar FriebeOtto-Henning Wilhelms
    • A61K31/52A61P11/08A61P37/08C07D473/00C07D473/16C07D473/34C07D473/40
    • C07D473/00C07D473/16C07D473/34
    • The present invention provides N.sup.6 -disubstituted purine derivatives of the general formula: ##STR1## wherein R.sub.1 and R.sub.4 are the same or different and each represents a hydrogen or halogen atom or an --NR.sub.6 R.sub.7 group, R.sub.2 and R.sub.3 are the same or different and each represents a C.sub.1 -C.sub.6 alkyl radical, a C.sub.2 -C.sub.6 alkenyl radical, a C.sub.3 -C.sub.7 cycloalkyl radical, a phenalkyl radical containing up to 4 carbon atoms in the alkyl moiety, which can be straight-chained or branched, the phenyl moiety of which can be substituted one or more times by halogen, hydroxyl, C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkoxy, C.sub.1 -C.sub.6 alkylthio or trifluoromethyl; a furylmethyl or furylethyl radical, a thiophenemethyl or thiopheneethyl radical, a pyridylmethyl or pyridylethyl radical optionally substituted by a C.sub.1 -C.sub.4 alkyl radical, an indanyl radical or a tetrahydronaphthyl radical, R.sub.5 is a hydrogen atom, a tetrahydrofuranyl or tetrahydropyranyl radical or a C.sub.1 -C.sub.10 radical which is optionally substituted one or more times by hydroxyl, C.sub.1 -C.sub.6 alkanoyloxy, C.sub.1 -C.sub.6 alkoxycarbonyl, C.sub.2 -C.sub.6 carboxyalkanoyloxy, C.sub.2 -C.sub.6 hydroxyalkoxy, C.sub.3 -c.sub.6 dihydroxyalkoxy, carboxyl, cyano or 1H-tetrazol-5-yl radical, R.sub.6 and R.sub.7 are the same or different and each represents a hydrogen atom or a C.sub.1 -C.sub.6 alkyl radical or together represent a C.sub.2 -C.sub.5 alkylene radical optionally interrupted by oxygen, sulphur or an NR.sub.8 group and R.sub.8 is a hydrogen atom or a C.sub.1 -C.sub.6 alkyl radical; as well as the pharmacologically acceptable salts thereof.
    • 本发明提供以下通式的N6-二取代的嘌呤衍生物:其中R 1和R 4相同或不同,并且各自表示氢或卤素原子或-NR 6 R 7基团,R 2和R 3相同或不同, 各自表示C1-C6烷基,C2-C6链烯基,C3-C7环烷基,在烷基部分含有至多4个碳原子的苯烷基,其可以是直链或支链的,苯基 其部分可以被卤素,羟基,C 1 -C 6烷基,C 1 -C 6烷氧基,C 1 -C 6烷硫基或三氟甲基取代一次或多次; 呋喃基甲基或呋喃乙基,噻吩甲基或噻吩乙基,任选被C 1 -C 4烷基,茚满基或四氢萘基取代的吡啶基甲基或吡啶基,R5是氢原子,四氢呋喃基或四氢吡喃基或C1- C 1 -C 6烷氧基,C 1 -C 6烷氧基羰基,C 2 -C 6羧基烷酰氧基,C 2 -C 6羟基烷氧基,C 3 -C 6二羟基烷氧基,羧基,氰基或1H-四唑-5-基 ,R6和R7相同或不同,各自表示氢原子或C1-C6烷基,或一起代表任选被氧,硫或NR8基中断的C2-C5亚烷基,R8是氢原子或C1 -C6烷基; 以及其药理学上可接受的盐。