(2R,3R,4S,5R,6R)-2-(((tert-butoxycarbonyl)oxy)methyl)-6-(((2R,3R,4S,5R,6R)-3,4,5-tris((tert-butoxycarbonyl)oxy)-6-(((tert-butyldiphenylsilyl)oxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl tri-tert-butyl tricarbonate 在
triethylamine tris(hydrogen fluoride) 作用下,
以
四氢呋喃 为溶剂,
反应 72.0h,
以80%的产率得到(2R,3R,4S,5R,6R)-2-(((tert-butoxycarbonyl)oxy)methyl)-6-(((2R,3R,4S,5R,6R)-3,4,5-tris((tert-butoxycarbonyl)oxy)-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)tetrahydro-2H-pyran-3,4,5-triyl tri-tert-butyl tricarbonate