在
N-羟基-7-氮杂苯并三氮唑 、
N,N-二异丙基乙胺 、
Methanaminium,N-[(dimethylamino)(3H-1,2,3-triazolo[4,5-b]pyridin-3-yloxy)methylene]-N-methyl-, hexafluorophosphate(1-) 作用下,
以
二氯甲烷 为溶剂,
以35 mg的产率得到[(1S,4R,6R,8S,11R,15S,18R,20R,22S,25R)-20-[3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzoyl]oxy-3,10,17,24-tetraoxo-2,9,16,23-tetrazapentacyclo[23.3.1.14,8.111,15.118,22]dotriacontan-6-yl] 3,5-bis[2-[2-(2-methoxyethoxy)ethoxy]ethoxy]benzoate