Bromopentafluorobenzene


Bromopentafluorobenzene is an organofluorine compound with the formula C6F5Br. It is a colorless liquid that is used to prepare pentafluophenyl compounds. These syntheses typically proceed via the intermediacy of C6F5Li or the Grignard reagent. Illustrative is preparation of trisborane:
Other derivatives include LiB4, 4, and Ni22.