申请人:Roussel Uclaf
公开号:US04532243A1
公开(公告)日:1985-07-30
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 carbons 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.
该专利涉及一种具有抗焦虑活性的新型中间体和公式为##STR1##的新型咪唑并[1,2-a]嘧啶化合物,其中R选自1至8碳原子的烷基,2至8碳原子的烯基,3至7碳原子的环烷基,4至12碳原子的环烷基烷基,6至12碳原子的芳基,噻吩基和吡啶基等组中的每个,其中每个组都可以选择性地用1至5碳原子的卤素,烷基,1至5碳原子的烷氧基和烷硫基,三氟甲基,氨基,1至5碳原子的烷基氨基和烷基二烷基氨基进行取代,R1和R2分别选自1至8碳原子的烷基,2至5碳原子的烯基,3至7碳原子的环烷基,4至12碳原子的环烷基烷基,苄基和苯乙基,或一起形成3至5碳原子的烷基,其中每个组都可以选择性地用1至5碳原子的卤素,烷基,1至5碳原子的烷氧基和烷硫基,三氟甲基,氨基,1至5碳原子的烷基氨基和烷基二烷基氨基进行取代,X选自氧和硫,R3为1至5碳原子的烷基,以及它们的非毒性、药学上可接受的酸盐。