2-acetamido-4-O-acetyl-6-bromo-2,6-dideoxy-3-O--1-O-(tetrahydropyran-2-yl)-α-D-glucopyranose 在
N,N'-二环己基碳二亚胺 作用下,
以
1,4-二氧六环 、
sodium hydroxide 为溶剂,
反应 0.67h,
生成 (S)-2-[(2S,3S,4R,5R)-3-Acetoxy-5-acetylamino-2-bromomethyl-6-(tetrahydro-pyran-2-yloxy)-tetrahydro-pyran-4-yloxy]-propionic acid 2,5-dioxo-pyrrolidin-1-yl ester