methyl (2S,4S,5R,6R)-4-acetyloxy-2-phenylsulfanyl-6-[(1S,2R)-1,2,3-triacetyloxypropyl]-5-[(2,2,2-trifluoroacetyl)amino]oxane-2-carboxylate 在
camphor-10-sulfonic acid 、
sodium methylate 作用下,
以
甲醇 、
N,N-二甲基甲酰胺 为溶剂,
反应 31.0h,
生成
methyl (phenyl 3,5-dideoxy-8,9-O-isopropylidene-2-thio-5-trifluoroacetamido-D-glycero-α-D-galacto-2-nonulopyranosid)onate