在
吡啶 、
氟化氢吡啶 作用下,
以
四氢呋喃 为溶剂,
反应 22.0h,
以94%的产率得到[(3E,5E,8R,9S,10R,11R,14S,15E,18R,20R,21E,24S)-24-[(2S,3S,4S,7R,8S,9R,10R)-9-acetyloxy-7-[2-(dimethylamino)acetyl]oxy-3,12-dihydroxy-4,8,10-trimethyldodecan-2-yl]-10-hydroxy-14,20-dimethoxy-9,11,18-trimethyl-2-oxo-1-oxacyclotetracosa-3,5,15,21-tetraen-8-yl] 2-(dimethylamino)acetate