Preparation of .alpha.-chloroalkyl aryl ketones

Details Preparation of .alpha.-chloroalkyl aryl ketones Preparation of .alpha.-chloroalkyl aryl ketones

C - Chemistry, Metallurgy

07

C

C07C 49/80 (2006.01) C07C 45/63 (2006.01) C07C 49/84 (2006.01) C07C 67/287 (2006.01) C07C 201/12 (2006.01) C07C 205/45 (2006.01)

Patent

CA 2172014

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

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