methyl 3-[(hydrazinecarbonylamino)carbamoylamino]propanoate 、
2,7-bis{3-[(3-aminophenyl)carbamoyl]propoxy}naphthalene 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
N,N-二甲基甲酰胺 为溶剂,
以174 mg的产率得到Methyl 3-[[[4-[[7-[4-[2-[[(3-methoxy-3-oxo-propyl)carbamoylamino]carbamoyl]hydrazino]-4-oxo-butoxy]-2-naphthyl]oxy]butanoylamino]carbamoylamino]carbamoylamino]propanoate