1-S-acetyl-(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1->2)-3,4,6-tri-O-acetyl-1-thio-α-D-mannopyranoside 在
甲醇 、
sodium thiomethoxide 作用下,
以
氯仿 为溶剂,
以50%的产率得到(2,3,4,6-tetra-O-acetyl-α-D-mannopyranosyl)-(1->2)-3,4,6-tri-O-acetyl-1-thio-α-D-mannopyranoside