(2S,4aS,6R,7R,8S,8aR)-6-((benzoyloxy)methyl)-4-oxido-2-phenylhexahydro-6H-pyrano[3,2-b][1,4]oxathiine-7,8-diyl dibenzoate 、
三氟甲烷磺酸甲酯 以
氘代氯仿 为溶剂,
生成 4-S-methyl-2-(S)-phenyl-(3,4,6-tri-O-benzyl-1,2-dideoxy-β-D-glucopyranoso)[1,2-e]-1,4-oxathianium triflate