(1R,2S,3R)-1-[(4-methoxybenzyloxy)methyl]-2,3-bis(4-methoxybenzyloxy)-4 hydroxybutyl (2E,6E,8E,10S,11R,12S)-2,4,4,6,8,10,12-heptamethyl-5-(triphenyl-siloxy)-11-(4-methoxybenzyloxy)-2,6,8-docosatrienoate 在
四丁基氟化铵 、
溶剂黄146 作用下,
以
四氢呋喃 为溶剂,
反应 7.0h,
以89%的产率得到(2E,6E,8E)-(10S,11R,12S)-5-Hydroxy-11-(4-methoxy-benzyloxy)-2,4,4,6,8,10,12-heptamethyl-docosa-2,6,8-trienoic acid (1R,2S,3R)-4-hydroxy-2,3-bis-(4-methoxy-benzyloxy)-1-(4-methoxy-benzyloxymethyl)-butyl ester