三苯基氯甲烷 、
(3R,4R,5R,6R,9S,10S,11R,12S)-10,12-Bis-(tert-butyl-dimethyl-silanyloxy)-14-(tert-butyl-diphenyl-silanyloxy)-6-(3,4-dimethoxy-benzyloxymethoxy)-3,5,9,11-tetramethyl-tetradecane-1,4-diol 在
吡啶 作用下,
反应 13.5h,
以93%的产率得到(3R,4R,5R,6R,9S,10S,11R,12S)-10,12-Bis-(tert-butyl-dimethyl-silanyloxy)-14-(tert-butyl-diphenyl-silanyloxy)-6-(3,4-dimethoxy-benzyloxymethoxy)-3,5,9,11-tetramethyl-1-trityloxy-tetradecan-4-ol