2-[(2S,4R,6R)-6-[(1R,2E,4E,6R)-1-[tert-butyl(dimethyl)silyl]oxy-6-methoxy-3-methylnona-2,4-dien-8-ynyl]-2,4-dimethoxyoxan-2-yl]acetic acid 、
tert-butyl N-[(E,2R)-4-[(1R,6E,9R,11R,12R,13S,16Z,19S,23R,25R,27R,31S)-27-[tert-butyl(diphenyl)silyl]oxy-12,31-dimethyl-21-methylidene-15-oxo-10,14,29,30-tetraoxa-3,4,5-triazapentacyclo[23.3.1.12,5.19,13.119,23]dotriaconta-2(32),3,6,16-tetraen-11-yl]-1-hydroxypent-3-en-2-yl]carbamate 在
三氟乙酸 、
N,N-二异丙基乙胺 、 ((3H-[1,2,3]triazolo[4,5-b]pyridin-3-yl)oxy)tri(pyrrolidin-1-yl)phosphonium hexafluorophosphate(V) 作用下,
以
二氯甲烷 、 aq. phosphate buffer 为溶剂,
反应 2.5h,
以95%的产率得到