Acetic acid (2R,3R,4S,5S,6R)-3-acetoxy-2-acetoxymethyl-5-((2S,3R,4R,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yloxy)-6-(4-nitro-phenoxy)-tetrahydro-pyran-4-yl ester 在
甲醇 、
sodium methylate 作用下,
生成
p-nitrophenyl 2-O-(2-acetamido-2-deoxy-β-D-glucopyranosyl)-α-D-mannopyranoside