D,L-erythro-1-ethoxy-2-(2,3,4,6-tetra-O-benzyl-1-deoxy-β-D-glucopyranosylthio)indane 、
D,L-erythro-1-(2-bromobenzyloxy)-2-[2,3,4,6-tetra-O-(3-methylbenzyl)-β-D-glucopyranosylthio]indane 在
DMTST 作用下,
以
二氯甲烷 为溶剂,
反应 0.75h,
以51%的产率得到2-bromobenzyl 2,3,4,6-tetra-O-benzyl-D-glucopyranoside