溴2-脱氧-2-N-邻苯二甲酰亚胺基-3,4,6-三-O-乙酰基-alpha,beta-D-吡喃葡萄糖苷 、
octyl 2,3-di-O-benzyl-7-deoxy-6-O-<3,4,6-tri-O-benzyl-2-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-β-D-mannopyranosyl>-α-L-glycero-D-gluco-heptopyranoside 在
2,4,6-三甲基吡啶 、 4 A molecular sieve 、
silver trifluoromethanesulfonate 作用下,
以
二氯甲烷 为溶剂,
反应 1.0h,
以69%的产率得到octyl 2,3-di-O-benzyl-7-deoxy-6-O-<3,4,6-tri-O-benzyl-2-O-(3,4,6-tri-O-acetyl-2-deoxy-2-phthalimido-β-D-glucopyranosyl)-β-D-mannopyranosyl>-α-L-glycero-D-gluco-heptopyranoside