The reaction of diazoacetic ester with thiobenzophenone
作者:Ivars Kalwinsch、Rolf Huisgen
DOI:10.1016/s0040-4039(01)82032-3
日期:1981.1
Methyl diazoacetate reacts with two equivalents of thiobenzophenone to furnish two isomeric 1,3-dithiolanes and nitrogen; the intermediate thiocarbonyl ylide is intercepted by 1,3-dipolarcycloaddition or undergoes electrocyclic ring closure.