thioacetal tetraacetate and mercaptalation of 2,3,4,6-tetra-O-acetyl-β-D-glucose was obtained by direct acetylation of D-glucose diethyl thioacetal with acetic anhydride and sodium acetate. Methylation of the tetraacetate followed by deacetylation and demercaptalation gave only 2-O-methyl glucose and methyl β-D-glucopyranoside.
通过 6-O-三苯甲基-
D-葡萄糖二乙基硫代
缩醛四乙酸酯的脱三苯甲基化和 2,3,4,6-四-O-乙酰基-β-
D-葡萄糖的巯基化反应制备的
D-葡萄糖二乙基硫代
乙缩醛四乙酸酯由
D-葡萄糖二乙基硫缩醛与
乙酸酐和
乙酸钠直接乙酰化得到。
四乙酸酯的甲基化,然后去乙酰化和去巯基化仅得到 2-O-
甲基葡萄糖和甲基 β-
D-吡喃葡萄糖苷。