Process for the manufacture of quaternary carboxylic acids

C - Chemistry – Metallurgy – 07 – C

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C07C 51/10 (2006.01) C07C 51/14 (2006.01) C07C 53/126 (2006.01)

Patent

CA 2344451

A process for manufacture of quaternary carboxylic acids from linear olefins by means of reaction with carbon monoxide and a solid acid catalyst, characterized in that a linear olefin, or a precursor thereof, is reacted in a batch reactor or a continuous reactor, with carbon monoxide and water, in the presence of an acidic ion exchanger, having sufficient acid groups to provide requisite protons for conversion of said olefin or a precursor of it, and carbon monoxide into quaternary carboxylic acids, and in the presence of a polar non-coordinating organic solvent.

Procédé servant à préparer des acides carboxyliques quaternaires à partir d'oléfines linéaires au moyen d'une réaction effectuée avec de l'oxyde de carbone et un catalyseur solide acide, ce qui consiste à effectuer la réaction d'une oléfine linéaire ou d'un de ses précurseurs dans un réacteur discontinu ou dans un réacteur continu avec de l'oxyde de carbone et de l'eau en présence d'un échangeur d'ions acide possédant suffisamment de groupes acides pour produire les protons nécessaires à la conversion de ladite oléfine ou d'un de ses précurseurs et de l'oxyde de carbone en acides carboxyliques quaternaires, ainsi qu'en présence d'un solvant organique polaire non coordonnant.

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