5-O-[3,4,6-tri-O-acetyl-2-deoxy-2-(2,2,2-trichloroacetamido)-β-D-glucopyranosyl]-6,7-dideoxy-2-O-(tert-butyldimethylsilyl)-3-O-acetyl-L-galacto-hept-6-enonamide 在
四丁基氟化铵 、 mercury(II) trifluoroacetate 作用下,
以
四氢呋喃 为溶剂,
反应 54.5h,
生成 4-O-acetyl-2,6-anhydro-7-deoxy-7-iodo-5-O-[3,4,6-tri-O-acetyl-2-deoxy-2-(2,2,2-trichloroacetamido)-β-D-glucopyranosyl]-D-glycero-L-galacto-heptonamide