STABLE ISOMERIC BENZONITRILE OXIDES DERIVED FROM 6-CHLORO-2,4-DIMETHOXYANILINE
The Rieche formylation of N-acyl-6-chloro-2,4-dimethoxyanilines proceeds at C5, while metallation occurs at C3.As a result, isomeric aldehydes were obtained, which were converted into stable nitrile oxides.