Benzyl 2,3,6-Tri-O-benzyl-4-deoxy-4-C-(3,4,5,7-tetra-O-benzyl-1-deoxy-D-gluco-2-heptulopyranos-1-yl)-α-D-glucopyranoside 在
三氟化硼乙醚 作用下,
以
乙腈 为溶剂,
反应 0.17h,
以89%的产率得到Benzyl 2',6-Anhydro-2,3-di-O-benzyl-4-deoxy-4-C-(3',4',5',7'-tetra-O-benzyl-1'-deoxy-α-D-gluco-2-heptulopyranos-1'-yl)-α-D-glucopyranoside