The mechanism of nitration by 4-methyl-4-nitro-2,3,5,6-tetrabromocyclohexa-2,5-dienone
Abstract
Nitration of phenol by 4-methyl-4-nitro-2,3,5,6-tetrabromocyclohexa-2,5-dienone in diethyl ether is a radical process involving reaction between the phenoxyl radical and NO2˙ that has escaped from a radical pair in which it was formed by homolytic fission of the C–N bond.