乙酸酐 、
Acetic acid (4S,5S,6R)-5-hydroxy-4-(2,2,2-trifluoro-acetylamino)-6-trifluoromethyl-tetrahydro-pyran-2-yl ester 在
吡啶 作用下,
反应 15.0h,
生成 1,4-di-O-acetyl-2,3,6-trideoxy-6,6,6-trifluoro-3-trifluoroacetamido-β-L-lyxo-hexopyranose 、 1,4-di-O-acetyl-2,3,6-trideoxy-6,6,6-trifluoro-3-trifluoroacetamido-α-L-lyxo-hexopyranose