(2S,6S)-2-(tert-butyldimethylsilyloxy)-6-methyl-4-methylene-7-((2R,6R)-6-(prop-2-ynyl)-3,6-dihydro-2H-pyran-2-yl)heptanal 、
[(2S),3S,4S,5E]-5-{3-(4-methoxybenzyloxy)-4-methoxymethoxy-6-[4-methyl-3,6-dihydro-2H-pyran-2-yl]-hex-5-enyl-1-sulfonyl}-1-phenyl-1H-tetrazol 在
双(三甲基硅烷基)氨基钾 作用下,
以
四氢呋喃 、
甲苯 为溶剂,
反应 1.71h,
以86%的产率得到(5S,6S,10S,E)-6-(4-methoxybenzyloxy)-12,12,13,13-tetramethyl-10-((S)-4-methyl-2-methylene-5-((2R,6R)-6-(prop-2-ynyl)-3,6-dihydro-2H-pyran-2-yl)pentyl)-5-((E)-2-((S)-4-methyl-3,6-dihydro-2H-pyran-2-yl)vinyl)-2,4,11-trioxa-12-silatetradec-8-ene