tert-Butyldimethylsilyl-2-azido-2-desoxy-4,6-O-isopropyliden-β-D-glucopyranosid 、
O-<2-Azido-3-O-(2-azido-3,4,6-tri-O-benzyl-2-desoxy-β-D-glucopyranosyl)-2-desoxy-4,6-O-isopropyliden-α-D-glucopyranosyl>-trichloracetimidat 在
molecular sieve 、
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
以70%的产率得到tert-Butyldimethylsilyl-2-azido-3-O-<2-azido-3-O-(2-azido-3,4,6-tri-O-benzyl-2-desoxy-β-D-glucopyranosyl)-4,6-O-isopropyliden-2-desoxy-β-D-glucopyranosyl>-4,6-O-isopropyliden-2-desoxy-β-D-glucopyranosid