2-(N,N-diethylamino)carbonyloxymethyl-4-(N-hydroxyamidinomethyl)-1-(3,4,5-trimethoxybenzoyl)piperazine 、
氯甲酸苯酯 在
吡啶 作用下,
以
苯 为溶剂,
反应 3.0h,
以34%的产率得到2-(N,N-diethylamino)carbonyloxymethyl-4-(4,5-dihydro-5-oxo-1,2,4-4H-oxadiazol-3-ylmethyl)-1-(3,4,5-trimethoxybenzoyl)piperazine