PREPARATION OF AROMATIC KETONES

摘要

Diaryl ketones of the general formula wherein R and R min may be the same or different and wherein each represents a Br, Cl or F atom or an OH group or a group of the general formula wherein m is 1 or 2 and R sec represents a Br, Cl or F atom or an OH group, are prepared in relatively pure form by reacting a substituted aromatic compound and an aromatic acyl compound in the presence of a catalyst system comprising a Lewis acid and a strong acid.