Acetic acid (2S,3S,4S,5R,6R)-2,3,5-triacetoxy-6-((2R,3R,4R,5S,6R)-4,5-diacetoxy-6-acetoxymethyl-3-acetylamino-tetrahydro-pyran-2-yloxymethyl)-tetrahydro-pyran-4-yl ester 在
2,4,6-三甲基吡啶 、 4 A molecular sieve 、
氢溴酸 、
silver trifluoromethanesulfonate 、
溶剂黄146 作用下,
以
二氯甲烷 为溶剂,
反应 33.0h,
生成
4-nitrophenyl 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-D-glucopyranosyl-(1<*>6)-2,3,4-tri-O-acetyl-α-D-mannopyranosyl-(1<*>6)-2,3-di-O-acetyl-β-D-glucopyranoside