三氯乙腈 、 2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1->3)-[2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1->6)]-2,4-di-O-acetyl-α,β-D-glucopyranose 在
1,8-diaza-bicyclo[5.4.0]undecene 作用下,
以
二氯甲烷 为溶剂,
反应 3.0h,
以510 mg的产率得到2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1->3)-[2,3,4,6-tetra-O-benzoyl-β-D-glucopyranosyl-(1->6)]-2,4-di-O-acetyl-α-D-glucopyranosyl trichloroacetimidate