Process for the preparation of aromatic aldehydes

C - Chemistry – Metallurgy – 07 – C

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C07C 45/50 (2006.01) C07C 45/49 (2006.01) C07C 47/52 (2006.01) C07D 213/48 (2006.01) C07D 317/54 (2006.01)

Patent

CA 1291485

BREVET D'INVENTION PROCEDE DE PREPARATION D'ALDEHYDES AROMATIQUES Société dite : RHONE-POULENC CHIMIE Inventeurs : Messieurs BLUTHE Norbert PERRON Robert ABREGE Du CONTENU TECHNIQUE DE L'INVENTION Procédé d'obtention d'aldéhydes aromatiques par réaction d'un mélange monoxyde de carbone/hydrogène avec un halogénure aromatique du groupe des bromures et iodures, en présence d'un catalyseur à base d'un métal noble, d'une base azotée et éventuellement d'un agent complexant du métal noble pris dans le groupe des pbosphines et des phosphites, caractérisé en ce que le rapport CO/H2 est inférieur à 1.

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