6-O-Acetyl-5-S-acetyl-4-O-<2',3',4',6'-tetra-O-acetyl-α-D-glucopyranosyl>-2,3-O-isopropylidene-5-thio-aldehydo-L-glucose dimethyl acetal 在
甲醇 、
水 、
sodium methylate 、
溶剂黄146 作用下,
生成 (2R,3S,4S,5R,6R)-2-Hydroxymethyl-6-((2R,3S,4R,5R)-4,5,6-trihydroxy-2-hydroxymethyl-tetrahydro-thiopyran-3-yloxy)-tetrahydro-pyran-3,4,5-triol