Preparation and application of 4-bromo-2-iodophenol_Kain Industrial Additive

Background and overview[1] 4-Bromo-2-iodophenol, also called 2-iodo-4-bromophenol, is an organic intermediate that can be prepared by nitration and reduction of p-bromophenol, followed by diazotization and iodine substitution. Preparation[1] Synthesis of 2-nitro-4-bromophenol: Add p-bromophenol to the chemical reaction kettle, then directly add dilute nitric acid at room temperature, let it stand for 20 minutes, fractionate the…