1-O-fluoren-9-ylmethoxycarbonyl-3,4,6-tri-O-acetyl-α-D-mannopyranoside 、
2,3,4,6-四-O-乙酰基-α-D-吡喃甘露糖 三氯乙酰亚胺酯 在
三氟甲磺酸三甲基硅酯 作用下,
以
二氯甲烷 为溶剂,
生成 1-O-fluoren-9-ylmethoxycarbonyl-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1->2)-3,4,6-tri-O-acetyl-β-D-mannopyranoside 、
1-O-fluoren-9-ylmethoxycarbonyl-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1->2)-3,4,6-tri-O-acetyl-α-D-mannopyranoside