Benzyl O-(6-O-benzyl-2,3-di-O-(p-methoxybenzyl)-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-α-D-glucopyranoside 、 O-(2,3,4,6-Tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-4-O-acetyl-2-azido-6-O-benzoyl-2-deoxy-α/β-D-galactopyranosyltrichloroacetimidate 在
tin(II) trifluoromethanesulfonate 作用下,
以
various solvent(s) 为溶剂,
反应 1.0h,
以10%的产率得到Benzyl O-(2,3,4,6-tetra-O-acetyl-β-D-galactopyranosyl)-(1->3)-(4-O-acetyl-2-azido-6-O-benzoyl-2-deoxy-α-D-galactopyranosyl)-(1->4)-(6-O-benzyl-2,3-di-O-(p-methoxybenzyl)-β-D-galactopyranosyl)-(1->4)-2,3,6-tri-O-benzyl-α-D-glucopyranoside