(5R,6R,7R,8R,11S,14S,17S)-14-[1-(benzyloxy)ethyl]-17-[(benzyloxy)methyl]-7-hydroxy-6,8-dimethyl-9,12,15-trioxo-11-(propan-2-yl)-5-tridecyl-2,4-dioxa-10,13,16-triazaoctadecan-18-oic acid 在
4-二甲氨基吡啶 、
2,4,6-三氯苯甲酰氯 、
三乙胺 作用下,
以
甲苯 为溶剂,
反应 1.67h,
以22%的产率得到(3S,6S,9S,12R,13R)-6-[1-(benzyloxy)ethyl]-3-[ (benzyloxy)methyl]-13-[(2S,3R)-3-(methoxymethoxy)hexadecan-2-yl]-12-methyl-9-(propan-2-yl)-1-oxa-4,7,10-triazacyclotridecane-2,5,8,11-tetrone