N1,N2-bis(tert-butoxycarbonyl)-N1-(methylcyclopropyl)-S-methylisothiourea 、 tert-butyl N-[[4-(aminomethyl)cyclohexyl]methyl]carbamate 以
四氢呋喃 为溶剂,
反应 12.0h,
以75%的产率得到N-(cyclopropylmethyl)-N,N'-bis-(tert-butoxycarbonyl)-N''-[trans-4-(tert-butoxycarbonylaminomethyl)cyclohexylmethyl]-guanidine