allyl 3,4-di-O-(3,4,6-tri-O-acetyl-2-deoxy-2-trichloroacetamido-β-D-glucopyranosyl)-2-O-tert-butyldimethylsilyl-β-D-glucopyranosiduronamide 在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
甲苯 为溶剂,
以86%的产率得到(2R,2'R,3S,3'S,4R,4'R,5R,5'R,6S,6'S)-(((2S,3S,4S,5R,6R)-6-(allyloxy)-5-((tert-butyldimethylsilyl)oxy)-2-carbamoyltetrahydro-2H-pyran-3,4-diyl)bis(oxy))bis(5-acetamido-2-(acetoxymethyl)tetrahydro-2H-pyran-6,3,4-triyl) tetraacetate