申请人:Gruppo Lepetit S.p.A.
公开号:US04119635A1
公开(公告)日:1978-10-10
New 1-alkyl-3,5-disubstituted-1,2,4-triazole derivatives of following formula I ##STR1## wherein R may represent phenyl; phenyl substituted by a radical selected from (C.sub.1-4)alkyl, e.g. methyl, ethyl, propyl, isopropyl, butyl, sec.-butyl, isobutyl or tert.-butyl, (C.sub.1-4)alkoxy, e.g. methoxy, ethoxy, propoxy, butoxy, isobutyloxy or tert.-butoxy, fluoro, chloro, bromo, nitro, amino, cyano, carbamoyl, carboxy, hydroxymethyl, methylenedioxy and trifluoromethyl; dichlorophenyl; dimethoxyphenyl; 3,4,5-trimethoxyphenyl; R.sub.1 may represent phenyl, phenyl substituted by a radical selected from (C.sub.1-4)alkyl as above defined, (C.sub.1-4)alkoxy as above defined; fluoro, chloro, bromo, hydroxymethyl, (C.sub.2-4)aliphatic acyloxymethyl, e.g. acetoxymethyl, propionyloxymethyl or butyryloxymethyl, carbamoyloxymethyl, bromomethyl and dimethylaminomethyl; dimethylphenyl; dimethoxyphenyl; phenyl contemporaneously substituted by o-hydroxymethyl and chloro; R.sub.2 represents a (C.sub.1-4)alkyl group as above defined; With the proviso that R and R.sub.1 cannot simultaneously represent phenyl; With the further proviso that, when R is phenyl, R.sub.1 cannot be p-chlorophenyl; And processes for their preparation. The compounds of the invention have CNS depressant utility. They are especially useful as sedatives and hypnotics. Some of the compounds of the invention are also useful as anxiety relieving means.
新的1-烷基-3,5-二取代-1,2,4-三唑衍生物的化学式为I,其中R可能代表苯基;苯基被从(C.sub.1-4)烷基中选择的基团取代,例如甲基、乙基、丙基、异丙基、丁基、丙烯基、异丁基或叔丁基,(C.sub.1-4)烷氧基,例如甲氧基、乙氧基、丙氧基、丁氧基、异丁氧基或叔丁氧基,氟、氯、溴、硝基、氨基、氰基、氨甲酰基、羧基、羟甲基、亚甲二氧基和三氟甲基;二氯苯基;二甲氧基苯基;3,4,5-三甲氧基苯基;R.sub.1可能代表苯基,苯基被从上述定义的(C.sub.1-4)烷基中选择的基团取代,(C.sub.1-4)烷氧基如上所述;氟、氯、溴、羟甲基、(C.sub.2-4)脂肪酰氧甲基,例如乙酰氧甲基、丙酰氧甲基或丁酰氧甲基,氨基氧甲基、溴甲基和二甲氨基甲基;二甲基苯基;二甲氧基苯基;苯基同时被o-羟甲基和氯取代;R.sub.2代表如上所述的(C.sub.1-4)烷基基团;但R和R.sub.1不能同时代表苯基;另外规定,当R是苯基时,R.sub.1不能是对氯苯基;以及它们的制备方法。该发明的化合物具有中枢神经系统抑制作用。它们特别适用于镇静剂和催眠剂。该发明的一些化合物也可用作缓解焦虑的手段。