2-Methoxycarbonylamino-3,3-dimethyl-butyric acid 、
1-{[4-(7-methoxy-2-phenyl-quinolin-4-yloxy)-pyrrolidine-2-carbonyl]-amino}-2-vinyl-cyclopropanecarboxylic acid ethyl ester 在
1-羟基苯并三唑 、 O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate 、
N,N-二异丙基乙胺 作用下,
以47%的产率得到1-{[1-(2-methoxycarbonylamino-3,3-dimethyl-butyryl)-4- (7- methoxy-2-phenyl-quinolin-4-yloxy)-pyrrolidine-2-carbonyl]-amino}-2-vinyl- cyclopropanecarboxylic acid ethyl ester