Although the reaction of quinones2 and of vicinal dike tone^^-^ with trialkyl and triaryl phosphites has been studied extensively, siniple ketones have been neglected. Acetone6 and 4-methyl-4-dichloroinethylcyclohexadien-1-one7 are inert to triethyl phosphite but cyclohexanone reacts with diphenyl K-phenylphosphoramidi te to give an a- phenoxyphosphonaniidateg; benzophenone is claimed, without supporting experimental ...