4-Bromobenzophenone is used in analytical applications such as HPLC and GC. It is also used as a chemical reagent and pharmaceutical intermediate.
F M'Halla.; J Pinson.; JM Savéant. Hydrogen atom abstraction and solvent involvement in the electrochemistry of haloaromatics: Reduction of 4-bromobenzophenone in dimethylsulfoxide. Journal of Electroanalytical Chemistry. 197889 (2), 347-361.
LD Hicks.; JK Han.;AJ Fry. Hypophosphorous acid-iodine: a novel reducing system.: Part 1: Reduction of diaryl ketones to diaryl methylene derivatives. Tetrahedron Letters. 200089 (2), 347-361.