重氮甲烷 、
1-(4-chloro-phenyl)-3-oxo-2-phenyl-7-thia-2-aza-bicyclo[2.2.1]heptane-5endo,6endo-dicarboxylic acid anhydride 以
乙醚 、
乙醇 为溶剂,
生成 1-(4-chloro-phenyl)-3-oxo-2-phenyl-7-thia-2-aza-bicyclo[2.2.1]heptane-5
endo,6
endo-dicarboxylic acid dimethyl ester