Process for preparing .alpha.-arylacrylonitriles

Details Process for preparing .alpha.-arylacrylonitriles Process for preparing .alpha.-arylacrylonitriles

C - Chemistry, Metallurgy

07

C

260/558.5

C07C 121/75 (1985.01)

Patent

CA 1255697

ABSTRACT PROCESS FOR PREPARING ALPHA-ARYLACRYLONITRILES An alpha-arylacrylonitrile is prepared by reacting an aryl ketone having a removable hydrogen alpha to the carbonyl group with a cyanide ion source which is free of radicals that would stabilize a cyanohydrin corresponding to the aryl ketone and with a Lewis acid in the presence of an activating amount of water and/or HCl and prefer- ably in the presence of a solvent. In a preferred embodiment, the aryl ketone is a tetralone, the cyanide ion source is sodium cyanide, the Lewis acid is aluminum chloride, and the product is a 1-cyano-3,4-dihydronaphtha- lene.

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