Photochemical reactions of azo compounds. XVI. Reactions with acetyl chloride leading to Di-, Tri-, and Tetra-chloroazobenzenes

Abstract

A previously reported method for converting azobenzene into 4-chloroazobenzene (via N,N'-diacetyl-4-chlorohydrazobenzene) has been extended to the preparation of di-, tri-, and tetra-chloroazobenzenes.