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    • 5. 发明授权
    • 4,5-dihydro and 4,5,6,7-tetrahydropyrazolo(1,5-A)-pyrimidines
    • 4,5-二氢和4,5,6,7-四氢吡唑并(1,5-A) - 嘧啶
    • US4847256A
    • 1989-07-11
    • US919730
    • 1986-10-16
    • Shin S. TsengJohn P. DuszaJoseph W. Epstein
    • Shin S. TsengJohn P. DuszaJoseph W. Epstein
    • A61K31/505A61P25/20C07D487/04
    • C07D487/04
    • Novel compounds having the following structural formula: ##STR1## wherein - - - may represent the presence of a double bond between the C.sub.6 and C.sub.7 position, Ia, or the absence of a double bond between the C.sub.6 and C.sub.7 position, Ib; R.sub.1 is selected from the group consisting essentially of hydrogen, bromo, chloro, carbamoyl, carboxyl, carboxyalkoxyl where alkoxyl is (C.sub.1 -C.sub.3), cyano, --CO--CF.sub.3, COONa, ##STR2## --CO--C(CH.sub.3).sub.3, and ##STR3## where X is hydrogen, cyano, halogen and nitro; R.sub.2, R.sub.4 and R.sub.5 may be hydrogen and lower alkyl (C.sub.1 -C.sub.3); R.sub.3 is hydrogen, alkyl (C.sub.1 -C.sub.3), ##STR4## where R.sub.7 and R.sub.8 may be the same or different and are selected from the group consisting essentially of hydrogen, halogen, alkyl (C.sub.1 -C.sub.3), nitro, alkoxy (C.sub.1 -C.sub.3), trifluoro-methyl, acetylamino or N-alkylacetylamino where alkyl is (C.sub.1 -C.sub.3), and R.sub.3 may also be selected from a monovalent radical selected from the class consisting essentially of 3-thienyl, 2-pyridinyl, 3-pyridinyl and 4-pyridinyl, either of said pyridinyl radicals being optionally substituted with an alkyl radical R.sub.9, where alkyl is (C.sub.1 -C.sub.4), and the structures of the monovalent 2-pyridinyl, 3-pyridinyl and 4-pyridinyl moieties are depicted respectively as: ##STR5## R.sub.6 is hydrogen or alkyl-(C.sub.1 -C.sub.3); pharmaceutical compositions of matter containing the above-defined compounds; methods for using the compounds as anxiolytic agents, antihypertensive agents or antidepressant agents in mammals; processes for the preparation of the compounds.
    • 具有以下结构式的新化合物:其中 - - 可以表示在C6和C7位置之间存在双键,Ia或在C6和C7位置之间不存在双键,Ib ; R 1选自基本上由氢,溴,氯,氨基甲酰基,羧基,羧基烷氧基,其中烷氧基是(C1-C3),氰基,-CO-CF3,COONa,-CO-C(CH3)3, 和,其中X是氢,氰基,卤素和硝基; R2,R4和R5可以是氢和低级烷基(C1-C3); R3是氢,烷基(C1-C3),其中R7和R8可以相同或不同,并且选自基本上由氢,卤素,烷基(C1-C3),硝基,烷氧基(C1- C3),三氟甲基,乙酰氨基或N-烷基乙酰氨基,其中烷基是(C1-C3),R3也可以选自基本上由3-噻吩基,2-吡啶基,3-吡啶基和 所述吡啶基任选被烷基基团R 9取代,其中烷基是(C 1 -C 4),并且一价2-吡啶基,3-吡啶基和4-吡啶基部分的结构分别描述为: R6是氢或烷基 - (C1-C3); 含有上述化合物的物质的药物组合物; 在哺乳动物中使用化合物作为抗焦虑剂,抗高血压药或抗抑郁药的方法; 制备化合物的方法。