Preparation process of cinnamate ester

C - Chemistry – Metallurgy – 07 – C

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260/477.3

C07C 67/38 (2006.01) C07C 69/618 (2006.01) C07C 69/65 (2006.01)

Patent

CA 1246603

Abstract of the Disclosure Disclosed herein is a process for preparing a corresponding cinnamate ester by the reaction of a styrene compound, carbon monoxide, an alcohol and oxygen by using a main catalyst composed of (a) a platinum group metal or a compound thereof and (b) a copper or iron compound and in the presence of a promoter, wherein the concentration of the metal of the component (a) is controlled at 5.5 x 10-4 gram atom/liter or below in the liquid reaction mixture and further the ratio of the component (b) to the metal of the component (a) is maintained at 50 moles/gram atom or above so as to carry out the reaction. - 23 -

496821

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