PREPARATION OF .ALPHA.-CHLOROALKYL ARYL KETONES

摘要

A process for preparing .alpha.-chloroalkyl aryl ketones of the generalformula I I, where n is 1 to 5, R1 independently of one another are H, alkyl, alkoxy, aryl, aryloxy, acyloxy, acylamino, halogen or nitro, R2,3 independently of one another are H, alkyl or aryl, by chlorination of alkyl aryl ketones of the general formula II II, with sulfuryl chloride is described, the chlorination being carried out in the presence of an aliphatic alcohol.