A Controlled and Selective Bromination of Phenols with Benzyltriphenylphosphonium Tribromide

Abstract:

Reactions of phenols with benzyltriphenylphosphonium tribromide in dichloromethane-methanol mixture (2:1) gave mono, di and tri brominated phenols at room temperature with high selectivity and good yields.

https://people.iut.ac.ir/en/mallakpour/content/controlled-and-selective-bromination-phenols-benzyltriphenylphosphonium-tribromide-0