methyl O-(2,3,4-tri-O-acetyl-6-O-p-tolylsulfonyl-β-D-glucopyranosyl)-(1->4)-O-(2,3-di-O-acetyl-6-O-p-tolylsulfonyl-β-D-glucopyranosyl)-(1->4)-2,3-di-O-acetyl-6-O-p-tolylsulfonyl-β-D-glucopyranoside 在
sodium iodide 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 2.0h,
以83%的产率得到methyl O-(2,3,4-tri-O-acetyl-6-deoxy-6-iodo-β-D-glucopyranosyl)-(1->4)-O-(2,3-di-O-acetyl-6-deoxy-6-iodo-β-D-glucopyranosyl)-(1->4)-2,3-di-O-acetyl-6-deoxy-6-iodo-β-D-glucopyranoside