Preparation of a-cyano-3-phenoxybenzyl esters

C - Chemistry – Metallurgy – 07 – D

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260/477.5, 260/4

C07D 213/64 (2006.01) A01N 43/24 (2006.01) B01J 31/02 (2006.01) C07C 67/00 (2006.01) A01N 53/00 (2006.01)

Patent

CA 1161846

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 a tertiary amine or polyamine, cryptate, amphoteric surfactant, or acid salt of tertiary amine rate-promoting agent.

394766

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