[N-(tert-butoxycarbonyl)-N'-(N-benzylcarbamoyl-N-methyl)]-1H-pyrazole-1-carboxamidine 、
15-O-tert-butyl 11-O-[(3,4,5-trioctadecoxyphenyl)methyl] (2R,5S,8S,11S,15S)-5-(3-aminopropyl)-8-benzyl-2,7-dimethyl-3,6,9,13,17-pentaoxo-1,4,7,10,14-pentazacycloheptadecane-11,15-dicarboxylate 在
N,N-二异丙基乙胺 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以85%的产率得到15-O-tert-butyl 11-O-[(3,4,5-trioctadecoxyphenyl)methyl] (2R,5S,8S,11S,15S)-8-benzyl-5-[3-[[[[benzyl(methyl)carbamoyl]amino]-[(2-methylpropan-2-yl)oxycarbonylamino]methylidene]amino]propyl]-2,7-dimethyl-3,6,9,13,17-pentaoxo-1,4,7,10,14-pentazacycloheptadecane-11,15-dicarboxylate