(2S,3R,4S,5S,6R)-2-(((2R,3S,4R,5R,6R)-4-acetoxy-2-(acetoxymethyl)-5-azido-6-(2,2,2-trichloro-1-iminoethoxy)tetrahydro-2H-pyran-3-yl)oxy)-6-(acetoxymethyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 、 Benzoic acid (2S,3R,4R,5R,6R)-3-acetylamino-2-[(S)-2-(9H-fluoren-9-ylmethoxycarbonylamino)-2-(2-oxo-2-phenyl-ethoxycarbonyl)-ethoxy]-5-hydroxy-6-hydroxymethyl-tetrahydro-pyran-4-yl ester 在
三氟化硼乙醚 作用下,
以
二氯甲烷 为溶剂,
生成
、