How is 4-Chloro-3-(trifluoromethoxy)benzonitrile (CAS: 886501-50-4) typically synthesized?

4-Chloro-3-(trifluoromethoxy)benzonitrile (CAS: 886501-50-4) can be synthesized through a multistep process involving the bromination of 3-(trifluoromethoxy)benzonitrile followed by displacement with sodium chloride. The reaction is typically performed under an inert atmosphere using a catalytic amount of a base such as potassium carbonate and a suitable solvent like NMP (N-Methyl-2-pyrrolidone). The yield can range from 75% to 90%, depending on the purity of the starting materials and the reaction conditions.