申请人:Azwell Inc.
公开号:EP1020443A1
公开(公告)日:2000-07-19
A process for advantageously producing compounds of general formula (III), wherein R1 represents hydrogen, alkyl having 1 to 6 carbon atoms, alkoxyl having 1 to 4 carbon atoms, halogen, hydroxyl, trifluoromethyl, nitro or amino, R2 represents substituted or unsubstituted phenyl or pyridyl, R3 and R4 each represents hydrogen, alkyl having 1 to 6 carbon atoms, hydroxyalkyl having 1 to 4 carbon atoms, cycloalkyl having 3 to 8 carbon atoms, or substituted or unsubstituted phenyl; and Y represents alkylene having 1 to 12 carbon atoms, and salts thereof.
一种有利地生产通式(III)化合物的工艺,其中 R1 代表氢、具有 1 至 6 个碳原子的烷基、具有 1 至 4 个碳原子的烷氧基、卤素、羟基、三氟甲基、硝基或氨基,R2 代表取代或未取代的苯基或吡啶基,R3 和 R4 各自代表氢、具有 1 至 6 个碳原子的烷基、具有 1 至 4 个碳原子的羟烷基、具有 3 至 8 个碳原子的环烷基或取代或未取代的苯基;Y 代表具有 1 至 12 个碳原子的亚烷基及其盐类。