(1R,4R)-1-(1',2',3',4',5'-penta-O-acetyl-D-gluco-pentitol-1-yl)-2-aza-2-methyl-5,6-dimethoxycarbonyl-3-oxo-4-phenyl-7-thiabicyclo[2.2.1]hept-5-ene 在
mercury(II) diacetate 、
溶剂黄146 作用下,
以30%的产率得到6-(1',2',3',4',5'-penta-O-acetyl-D-gluco-pentitol-1-yl)-4,5-dimethoxycarbonyl-1-methyl-3-phenylpyrid-2-one