methyl [(2,3-difluorobenzyl) 5-acetamido-9-(4-chlorobenzamido)-3,5,9-trideoxy-7,8-O-isopropylidene-4-O-(phenoxycarbonothioyl)-D-glycero-α-D-galacto-2-nonulopyranosid]onate 在
偶氮二异丁腈 、
三正丁基氢锡 作用下,
以
甲苯 为溶剂,
反应 1.0h,
以20%的产率得到methyl [(2,3-difluorobenzyl) 5-acetamido-9-(4-chlorobenzamido)-3,4,5,9-tetradeoxy-7,8-O-isopropylidene-D-glycero-α-D-galacto-2-nonulopyranosid]onate