在
pyridine hydrofluoride 作用下,
以
四氢呋喃 为溶剂,
反应 1.5h,
以86%的产率得到2-[(1R,3S,5Z,8R,9S,11R,12S,14S,16R,18R,20S,21R,23S)-8-[tert-butyl(dimethyl)silyl]oxy-20-[(4-methoxyphenyl)methoxy]-21-[2-[(4-methoxyphenyl)methoxy]ethyl]-12,16,18-trimethyl-2,10,15,22-tetraoxatetracyclo[12.10.0.03,11.016,23]tetracos-5-en-9-yl]ethanol