2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl chloride 、
O-(2-O-Benzyl-4-O-methyl-β-D-mannopyranosyl)-(1->4)-1,6-anhydro-2-azido-3-O-benzyl-2-desoxy-β-D-glucopyranose 在
4 A molecular sieve 、
silver trifluoromethanesulfonate 作用下,
以
二氯甲烷 为溶剂,
反应 39.0h,
以77%的产率得到O-(2-O-Acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1->3)-O-<(2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl)-(1->6)>-O-(2-O-benzyl-4-O-methyl-β-D-mannopyranosyl)-(1->4)-1,6-anhydro-2-azido-3-O-benzyl-2-desoxy-β-D-glucopyranose