异戊酸 、
[(1R)-1-[(1S,4R,5R,6R,8R,10S,11R,12S,13R,16R,18S,21R)-11-hydroxy-4,6,12,17,17-pentamethyl-18-[(2S)-morpholin-2-yl]oxy-9-oxahexacyclo[11.9.0.01,21.04,12.05,10.016,21]docosan-8-yl]-2-methylpropyl] azetidine-1-carboxylate 在
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47%的产率得到[(1R)-1-[(1S,4R,5R,6R,8R,10S,11R,12S,13R,16R,18S,21R)-11-hydroxy-4,6,12,17,17-pentamethyl-18-[(2S)-4-(3-methylbutanoyl)morpholin-2-yl]oxy-9-oxahexacyclo[11.9.0.01,21.04,12.05,10.016,21]docosan-8-yl]-2-methylpropyl] azetidine-1-carboxylate