2-O-acetyl-3,4,6-tri-O-benzyl-α-D-mannopyranosyl chloride 、
benzyl O-(2,4-di-O-benzyl-β-D-mannopyranosyl)-(1->4)-O-(6-O-acetyl-3-O-benzyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-(1->4)-2-acetamido-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranoside 在
4 A molecular sieve 、
氰化汞 、 mercury dibromide 作用下,
以
二氯甲烷 为溶剂,
以44.5%的产率得到Benzyl-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-(2,4-di-O-benzyl-β-D-mannopyranosyl)-(1->4)-O-(6-O-acetyl-3-O-benzyl-2-desoxy-2-phthalimido-β-D-glucopyranosyl)-...