benzyl amino-(3-cyano-phenyl)-acetate 、 3-methyl-4-(pyrrolidin-1-carbonyl)-benzoic acid, O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 在
N-甲基吗啉 作用下,
以
N-甲基乙酰胺 为溶剂,
以93%的产率得到benzyl (3-cyano-phenyl)-{[3-methyl-4-(pyrrolidin-1-yl-carbonyl)-phenyl]-carbonylamino}-acetate