allyl 2,3,4,6-tetra-O-benzoyl-α-D-mannopyranosyl-(1->2)-6-O-tert-butyldimethylsilyl-3,4-O-(2',3'-dimethoxybutane-2',3'-diyl)-α-D-mannopyranoside 在
三氟乙酸 作用下,
以
二氯甲烷 为溶剂,
反应 0.08h,
以58%的产率得到allyl 2,3,4,6-tetra-O-benzoyl-α-D-mannopyranosyl-(1->2)-6-O-tert-butyldimethylsilyl-α-D-mannopyranoside