Stable isomeric benzonitrile oxides derived from 6-chloro-2,4-dimethoxyaniline
摘要:
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.