申请人:American Cyanamid Company
公开号:US05219857A1
公开(公告)日:1993-06-15
Novel compounds of the formula ##STR1## wherein n is an integer from 1 to 4 inclusive; R.sub.1 represents a mono-or disubstituent of 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), ethylcarboxylate, 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-chlorophenylphenylmethyl, 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,5-chloro-2-methoxyphenylacetamide, (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 neural behavior problems in warm-blooded animals.
公式为##STR1##的新化合物,其中n是1到4的整数(包括1和4); R.sub.1代表氢、低碳基(C.sub.1-C.sub.3)、低烷氧基(C.sub.1-C.sub.3)、卤素、硝基或三
氟甲基的单取代或双取代基团; R.sub.2是
氰基、羧酰胺基、
乙酸乙酯基或卤素基; R.sub.3是氢、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)、
乙酸乙酯基、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(其中苯基取代基是卤素、三
氟甲基、低碳基(C.sub.1-C.sub.3)或低烷氧基(C.sub.1-C.sub.3))、苄基、单取代或双取代苄基(其中苄基取代基是卤素、低碳基(C.sub.1-C.sub.3)、低烷氧基(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-
氯苯基苯甲基、1,3-苯二氧杂环-5-基甲基、1,3-苯二氧杂环-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、单取代和双取代苯基羧
酰亚胺(其中苯基取代基是卤素、三
氟甲基或低碳基(C.sub.1-C.sub.3))、
金刚烷酰基、3-苯氧基丙基、5-
氯-2-
甲氧基苯乙酰胺、(2-氧代-1-
吡咯烷基)-
2-丁炔基、苯甲基
羧酸酯或(2-苯基-2H-
1,2,3-三唑-4-基)甲基; R.sub.4和R.sub.5独立地表示氢或低碳基(C.sub.1-C.sub.3);
嘧啶环上6和7位置之间的虚线表示双键的存在或不存在;以及它们的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症、高血压、抑郁症、老年性痴呆、认知缺陷和其他神经行为问题的方法。