benzyl 3-O-allyl-4-O-benzyl-2-deoxy-2-[(R)-3-tetradecanoyloxytetradecanamido]-β-D-glucopyranoside 、 2-deoxy-4,6-di-O-benzylidene-3-O-[(R)-3-tetradecanoyloxytetradecanoyl]-2-(2,2,2-trichloroethoxycarbonylamino)-α-D-glucopyranosyl trichloroacetimidate 在
trifluoroborane diethyl ether 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以83%的产率得到benzyl 3-O-allyl-4-O-benzyl-2-deoxy-6-O-{2-deoxy-4,6-di-O-benzylidene-3-O-[(R)-3-tetradecanoyloxytetradecanoyl]-2-(2,2,2-trichloroethoxycarbonylamino)-β-D-glucopyranosyl}-2-[(R)-3-tetradecanoyloxytetradecanamido]-β-D-glucopyranoside