Process for the synthesis of 1 - bromo - 3-nitro-5 - trifluoromethyl benzene

摘要

Refers to the compound 1 - bromo - 3 - 5 - nitro - trifluoro Methyl benzene and a preparation method thereof, which comprises: a) reacting The Compound 1 - 3 - nitro - trifluoro Methyl benzene as bromination Agent With a 1.3 - Bromine - 5,5 - Dimethyl Hydantoin or 1.3 - Bromine - 5,5 - Dimethyl imidazole Idina - 2.4 - dione in presence of a strong acid.In an Inert Solvent and at a temperature of 25 to 40 degrees