abstract |
A halogenating compound is described of the general formula …<CHEM>… which is the kinetically controlled product of the reaction of equivalent amounts of a triaryl phosphite of the formula …<CHEM>… and chlorine or bromine in a substantially anhydrous inert organic solvent wherein in the above formulas Z is hydrogen, halo, C1-C4 alkyl or C1-C4 alkoxy, and X is Cl or Br. |