Preparation of esters

C - Chemistry – Metallurgy – 07 – C

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260/478.5, 260/4

C07C 67/44 (2006.01)

Patent

CA 1155454

ABSTRACT OF THE DISCLOSURE Alpha-cyano esters are prepared by reacting an acyl halide with an aldehyde in a substantially water- immiscible aprotic solvent and an aqueous solution of water-soluble cyanide salt in the presence of tertiary amine or polyamine, cryptate, amphoteric surfactant, or acid salt of tertiary amine rate-promoting agent.

359539

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