4-Benzyl-2-(1-phenyl-6-chloro-2,3-dihydro-benzimidazol-2-on-3-yl-methyl)-morpholine hydrochloride 、
1-甲基-3-(吗啉-2-基甲基)-1,3-二氢-2H-苯并咪唑-2-酮盐酸(1:1) 、
顺丁烯二酸 在
oily product 作用下,
以
异丙醇 为溶剂,
以19 g of 2-(1-phenyl-6-chloro-2,3-dihydro-benzimidazol-2-on-3-yl-methyl)-morpholine maleate are obtained的产率得到5-Chloro-1-morpholin-2-ylmethyl-3-phenyl-1,3-dihydro-benzoimidazol-2-one; compound with (Z)-but-2-enedioic acid