申请人:Roussel Uclaf
公开号:US04588720A1
公开(公告)日:1986-05-13
Novel imidazo[1,2-a]pyrimidines of the formula ##STR1## wherein R is selected from the group consisting of alkyl of 1 to 8 carbon atoms, alkenyl of 2 to 8 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, cycloalkylalkyl of 4 to 12 carbon atoms, aryl of 6 to 12 carbon atoms, thienyl and pyridyl, each of said group being optionally substituted with at least one member of the group consisting of halogen, alkyl of 1 to 5 carbon atoms, alkoxy and alkylthio of 1 to 5 carbon atoms, trifluoromethyl, amino, alkylamino of 1 to 5 alkyl carbon atoms and dialkylamino with alkyl of 1 to 5 carbon atoms, R.sub.1 and R.sub.2 are individually selected from the group consisting of hydrogen, alkyl of 1 to 8 carbon atoms, alkenyl of 2 to 5 carbon atoms, cycloalkyl of 3 to 7 carbon atoms, cycloalkylalkyl of 4 to 12 carbon atoms, benzyl and phenethyl, or taken together form alkylene of 3 to 5 carbon atoms, each of said groups being optionally substituted with at least one member of the group consisting of halogen, alkyl of 1 to 5 carbon atoms, alkoxy and alkylthio of 1 to 5 carbon atoms, trifluoromethyl, amino, alkylamino of 1 to 5 alkyl carbon atoms and dialkylamino with alkyls of 1 to 5 carbon atoms, X is selected from the group consisting of oxygen and sulfur and R.sub.3 is alkyl of 1 to 5 carbon atoms and their non-toxic, pharmaceutically acceptable acid addition salts, having anxiolytic activity and novel intermediates.
该专利描述了一种新型的
咪唑并[1,2-a]
嘧啶类化合物,其
化学式为##STR1##其中R选择自1到8个碳原子的烷基、2到8个碳原子的烯基、3到7个碳原子的环烷基、4到12个碳原子的环烷基烷基、6到12个碳原子的芳基、
噻吩基和
吡啶基,所述的每个基团都可以选择性地用卤素、1到5个碳原子的烷基、1到5个碳原子的烷氧基和烷
硫基、三
氟甲基、
氨基、1到5个烷基碳原子的烷基
氨基和带有1到5个碳原子烷基的二烷基
氨基中的至少一种成员进行取代;R.sub.1和R.sub.2单独选择自1到8个碳原子的烷基、2到5个碳原子的烯基、3到7个碳原子的环烷基、4到12个碳原子的环烷基烷基、苄基和苯乙基,或者一起形成3到5个碳原子的烷基,所述的每个基团都可以选择性地用卤素、1到5个碳原子的烷基、1到5个碳原子的烷氧基和烷
硫基、三
氟甲基、
氨基、1到5个烷基碳原子的烷基
氨基和带有1到5个碳原子烷基的二烷基
氨基中的至少一种成员进行取代;X选择自氧和
硫,R.sub.3为1到5个碳原子的烷基,以及其无毒、药学上可接受的酸盐,具有抗焦虑活性和新型中间体。