氯磺酰异氰酸酯 、
6-O-(1'',1''-dimethyl-2''-phenyl)ethylsulfonyl-1,2-O-isopropylidene-3-O-methyl-5-O-(prop-1'-enyl)-α-D-glucofuranose 在
sodium carbonate 作用下,
以
甲苯 为溶剂,
生成 (3'R,4'S)-6-O-(1'',1''-dimethyl-2''-phenyl)-ethylsulfonyl-1,2-O-isopropylidene-3-O-methyl-5-O-(3'-methyl-oxoazetidin-4'yl)-α-D-glucofuranose 、 (3'S,4'R)-6-O-(1'',1''-dimethyl-2''-phenyl)-ethylsulfonyl-1,2-O-isopropylidene-3-O-methyl-5-O-(3'-methyl-oxoazetidin-4'yl)-α-D-glucofuranose