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Polyethylene glycol-bound potassium tribromide [{K+PEG}·Br3−] was found to be an efficient brominating agent for the bromination of bisphenol A to tetrabromobisphenol A of a very high purity in excellent yield. The brominating agent was easily prepared by reacting the PEG400 with KBr3 using the host-guest chemistry concept. The effect of various reaction parameters such as solvent, temperature, and...
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