2,2′-Biphenylene phosphorochloridite is the name for a polycyclic organophosphorus compound with the formula C12H8O2PCl.

It is a precursor to diphosphite ligands such as BiPhePhos by reaction with suitable diols.

2,2′-Biphenylene phosphorochloridites, which is a white solid, is prepared from 2,2′-biphenol and phosphorus trichloride.

It is prepared by the reaction of 2,2′-biphenol and phosphorus trichloride.

[1][2]