PROCESS FOR THE PREPARATION OF DIHALOBENZOPHENONES, NEW CHEMICALS USEFUL FOR ITS IMPLEMENTATION AND METHODS FOR PREPARING SAID CHEMICALS

摘要

The invention relates to new compounds of formulae (IV) and (VII): (IV) (VII) wherein X represents a halogen atom selected from the group consisting of fluorine, chlorine, bromine and iodine and R is a hydrocarbyl radical, said compounds being useful as precursors and/or intermediates for the preparation of 4,4'dihalobenzophenones of formula (I): (I) wherein X is as defined above.