C
91H
171NO
22Si
5 在
lithium hydroxide 作用下,
以
四氢呋喃 、
水 为溶剂,
反应 3.0h,
以88%的产率得到(2E,4E,6E,8R,9R,10E,12E,16S,17S,19S,20R)-20-[(2R,3R,4S,5S,6R)-6-[(2R)-2-[(2R,4S,5S,6S)-5-[(2S,4R,5R,6R)-5-[tert-butyl(dimethyl)silyl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-4,6-dimethyl-4-triethylsilyloxyoxan-2-yl]oxy-3-methoxypropyl]-2-methoxy-3,5-dimethyl-4-triethylsilyloxyoxan-2-yl]-16,19,20-trihydroxy-17-methoxy-9-[(2R,3S,4R,5S,6S)-5-methoxy-6-methyl-3,4-bis(triethylsilyloxy)oxan-2-yl]oxy-2,4,6,8,12-pentamethylicosa-2,4,6,10,12-pentaenoic acid