phenyl 4-O-acetyl-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-1-thio-β-D-glucopyranoside 在
N-溴代丁二酰亚胺(NBS) 、
二乙胺基三氟化硫 作用下,
以
二氯甲烷 为溶剂,
反应 20.0h,
以80%的产率得到4-O-acetyl-2,3,6-tri-O-methyl-β-D-glucopyranosyl-[1-4]-2,3,6-tri-O-methyl-α-D-glucopyranosyl fluoride