Process for the preparation of chloro-oxy-halo-compounds by means of the direct reaction between FCl and organic compounds having a molecular structure wherein an oxygen atom is directly linked to a carbon atom in the carbonyl form, in the presence of a catalyst constituted by an alkali metal or alkali-earth metal fluoride, preferably selected from K, Rb, Cs, Ba, Sr, the reaction being carried out continuously in the gas phase.
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