METHOD FOR PREPARING 3-BROMO-5-CHLOROPHENOL

摘要

Disclosed is a method for preparing 3-bromo-5-chlorophenol showed as formula (1), which includes the following step: hydrolyzing compound (3) in acidic medium to obtain compound (1), in which X- is Cl-, Br-, HSO4 - or NO3 -. The preparing method has advantage of low cost, easy obtained raw material, convenient handling, easy purified product, and the method is easy to be scale up. Further more, higher yield and purity can be obtained.