[(4R,5S)-5-(2-{[Dimethyl-(1,1,2-trimethyl-propyl)-silanyl]-ethynyl}-phenylethynyl)-4,5-dimethoxy-2-(2-methyl-propane-2-sulfonyl)-5,6-dihydro-4H-pyran-3-yl]-methanol 在
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 0.25h,
以96%的产率得到[(4R,5S)-5-(2-Ethynyl-phenylethynyl)-4,5-dimethoxy-2-(2-methyl-propane-2-sulfonyl)-5,6-dihydro-4H-pyran-3-yl]-methanol