Substituted 3-alkyl-6-phenyl-1,2,4-triazolo(4,3-a)pyridines, processes for their preparation and pharmaceutical compositions containing them
申请人:AMERICAN CYANAMID COMPANY
公开号:EP0017438A1
公开(公告)日:1980-10-15
There are provided novel 3-alkyl-6-(substituted-phenyl)-1,2,4-triazolo[4,3-a]pyridines useful as anxiolytic agents, processes for their preparation and pharmaceutical compositions containing them. The compounds have the formula:
wherein R, is hydrogen, alkyl (C1-C4), alkoxy (C,-C4), fluoro, chloro, bromo, trifluoromethyl, cyano, carboxy, alkoxycarbonyl (C2-C5), carboxamido, nitro, amino, acylamino (C1-C4), monoalkylamino (C1-C4) or dialkylamino wherein each alkyl group has up to 4 carbon atoms and R2 is alkyl (C1-C3); or a pharmacologically acceptable acid-addition salt thereof.
本发明提供了可用作抗焦虑剂的新型 3-烷基-6-(取代苯基)-1,2,4-三唑并[4,3-a]吡啶、其制备工艺以及含有这些化合物的药物组合物。这些化合物的化学式如下
其中 R,是氢、烷基(C1-C4)、烷氧基(C,-C4)、氟、氯、溴、三氟甲基、氰基、羧基、烷氧羰基(C2-C5)、羧酰胺基、硝基、氨基、酰氨基(C1-C4)、单烷基氨基(C1-C4)或二烷基氨基,其中每个烷基最多有 4 个碳原子,R2 是烷基(C1-C3);或其药理学上可接受的酸加成盐。