1-O-acetyl-3,4,6-tri-O-benzyl-2-deoxy-D-arabino-hexopyranose 、
3-Acetyl-5-hydroxy-1,4-dimethoxynaphthalene 在
三氟化硼乙醚 作用下,
以
乙腈 为溶剂,
反应 1.0h,
以12%的产率得到(1'R,2'R,5'R,7'S,9'S)-3-Acetyl-6-(9'-benzyloxy-2'-phenyl-3',6'-dioxabicyclo[3.2.2]nonan-7'-yl)-5-hydroxy-1,4-dimethoxynaphthalene