N
2-acetyl-N
6-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-lysyl-L-valyl-N
5-carbamoyl-N-[4-({[(pentafluorophenoxy)carbonyl]oxy}methyl)phenyl]-L-ornithinamide 、
bis(9H-fluoren-9-ylmethyl) butane-1,4-diylbis[(3-aminopropyl)carbamate] 在
N,N-二异丙基乙胺 作用下,
以
N,N-二甲基乙酰胺 为溶剂,
反应 1.0h,
以76%的产率得到N
2-acetyl-N
6-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-lysyl-L-valyl-N-[({4-[(3-{(4-{(3-aminopropyl)[(9H-fluoren-9-ylmethoxy)carbonyl]amino}butyl)[(9H-fluoren-9-ylmethoxy)carbonyl]amino}propyl)amino]benzyl}oxy)carbonyl]-N
5-carbamoyl-L-ornithinamide