1-(N1,N2-bis(tert-butoxycarbonyl)guanidine)-17-(N1,N2-bis(tert-butoxycarbonyl)-N1-(methylcyclopropyl)guanidine)-9-azaheptadecane 、 tert-butyl N-[N'-[8-[8-[bis[(2-methylpropan-2-yl)oxycarbonylamino]methylideneamino]octyl-carbonochloridoylamino]octyl]-N-[(2-methylpropan-2-yl)oxycarbonyl]carbamimidoyl]-N-(cyclopropylmethyl)carbamate 在
N,N-二异丙基乙胺 、 sodium iodide 作用下,
以
二氯甲烷 为溶剂,
以60%的产率得到