申请人:American Cyanamid Co.
公开号:US04963553A1
公开(公告)日:1990-10-16
Novel compounds of the formula ##STR1## wherein n is an integer from 1 to 4 inclusive; R.sub.1 represents a mono- or disubstituent or hydrogen, lower alkyl(C.sub.1 -C.sub.3), lower alkoxy(C.sub.1 -C.sub.3), halogen, nitro or trifluoromethyl; R.sub.2 is cyano, carboxamido, ethyl carboxylate or halogen; R.sub.3 is hydrogen, straight or branched chain lower alkyl(C.sub.1 -C.sub.3), alkenyl(C.sub.2 -c.sub.3), alkynyl(C.sub.2 -c.sub.3), cycloalkyl(C.sub.3 -C.sub.6), hydroxyalkyl(C.sub.1 -C.sub.3), dimethylaminoalkyl(C.sub.1 -C.sub.3), ethoxycarbonyl, alkyl(C.sub.1 -C.sub.13)carbonyl, 1-(methylethyl)acetamide, cyclohexylethyl, phenyl, mono-or disubstituted phenyl (wherein the phenyl substituent is halogen, trifluoromethyl, lower alkyl(C.sub.1 -C.sub.3) or lower alkoxy(C.sub.1 -C.sub.3)), benzyl, mono- or disubstituted benzyl (wherein the benzyl substituent is halogen, lower alkyl(C.sub.1 -C.sub.3), lower alkoxy(C.sub.1 -C.sub.3) or trifluoromethyl), benzoyl, 4-methoxybenzoyl, straight or branched chain alkyl(C.sub.2 -c.sub.3)phenyl, (4-chlorophenyl)phenylmethyl, 1,3-benzodioxol-5-ylmethyl, 1,3-benzodioxol-5-yl, 2-furanylcarbonyl, 2-pyrimidinyl, 2-pyridinyl, 4-morpholinyl-2-oxoethyl, 1-pyrrolidinyl-2-oxoethyl, bis(4-fluorophenyl(methyl, phenylcarboxamido, mono- and disubstituted phenylcarboximido (wherein the phenyl substituents is halogen, trifluoromethyl or lower alkyl(c.sub.1 -C.sub.3)), adamantanoyl, 3-phenoxypropyl, 4[2-[(5-chloro-2-methoxyphenyl)amino-2-oxo-ethyl], (2-oxo-1-pyrrolidinyl-2-butynyl, phenylmethylcarboxylate, or (2-phenyl-2H-1,2,3-triazol-4-yl(methyl; R.sub.4 and R.sub.5 are independently hydrogen or lower alkyl(C.sub.1 -C.sub.3); the dotted line between positions 6 and 7 of the pyrimidine ring represents the presence or absence of a double bond; and the pharmacologically acceptable salts thereof: methods of producing them; therapeutic compositions containing them: and methods of using them to treat anxiety, hypertension, depression, senile dementia, cognitive defects and other neutral behavior problems in warm-blooded animals.
该专利描述了一种新型化合物,
化学式为:##STR1## 其中n为1至4的整数;R.sub.1代表单个或双取代基或氢、低碳基(C.sub.1-C.sub.3)、低氧基(C.sub.1-C.sub.3)、卤素、硝基或三
氟甲基;R.sub.2为
氰基、羧酰胺基、乙酰基或卤素;R.sub.3为氢、直链或支链低碳基(C.sub.1-C.sub.3)、烯基(C.sub.2-C.sub.3)、炔基(C.sub.2-C.sub.3)、环烷基(C.sub.3-C.sub.6)、羟基烷基(C.sub.1-C.sub.3)、
二甲氨基烷基(C.sub.1-C.sub.3)、乙氧羰基、烷基(C.sub.1-C.sub.13)羰基、1-(甲基乙基)乙酰胺、环己基乙基、苯基、单取代或双取代苯基(其中苯基取代基为卤素、三
氟甲基、低碳基(C.sub.1-C.sub.3)或低氧基(C.sub.1-C.sub.3))、苄基、单取代或双取代苄基(其中苄基取代基为卤素、低碳基(C.sub.1-C.sub.3)、低氧基(C.sub.1-C.sub.3)或三
氟甲基)、苯甲酰基、
4-甲氧基苯甲酰基、直链或支链烷基(C.sub.2-C.sub.3)苯基、(4-
氯苯基)苯基甲基、1,3-苯并二氧杂环-5-基甲基、1,3-苯并二氧杂环-5-基、2-
呋喃基羰基、2-
嘧啶基、2-
吡啶基、4-吗啉基-2-氧乙基、1-
吡咯烷基-2-氧乙基、双(4-
氟苯基)(甲基)、苯基羧酰胺基、单取代或双取代苯基羧
酰亚胺基(其中苯基取代基为卤素、三
氟甲基或低碳基(C.sub.1-C.sub.3))、戊二酰基、3-苯氧基丙基、4[2-[(5-
氯-2-
甲氧基苯基)
氨基-2-氧乙基]、(2-氧代-1-
吡咯烷基)-
2-丁炔基、苯基甲基
羧酸酯或(2-苯基-2H-
1,2,3-三唑-4-基)(甲基);R.sub.4和R.sub.5分别为氢或低碳基(C.sub.1-C.sub.3);
嘧啶环的6和7位置之间的虚线表示双键的存在或不存在;以及其药理学上可接受的盐:制备它们的方法;包含它们的治疗组合物:以及使用它们治疗温血动物的焦虑、高血压、抑郁、老年痴呆、认知缺陷和其他神经行为问题的方法。