C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/08 (2006.01) C07C 55/02 (2006.01) C07C 55/10 (2006.01) C07C 55/12 (2006.01) C07C 55/14 (2006.01) C07C 67/08 (2006.01) C07C 69/34 (2006.01) C07C 69/40 (2006.01) C07C 69/42 (2006.01) C07C 69/44 (2006.01)
Patent
CA 2655170
The present invention relates to a process for converting hydrocarbon-based compounds comprising at least one nitrile function to compounds comprising at least one carboxylic function, and also to a process for obtaining ester compounds from the resulting carboxylic compounds. The process comprises reacting the nitrile compound with a basic hydroxyl compound in solution in a solvent at a temperature of 80 to 200°C, removing the ammonia formed, reacting the resulting salt with an inorganic acid and then recovering the compound comprising at least one carboxylic function and, optionally, esterifying the resulting acids by reacting same with an alcohol.
La présente invention concerne un procédé de transformation de composés hydrocarbonés comprenant au moins une fonction nitrile en composés comprenant au moins une fonction carboxylique et également un procédé d'obtention de composés esters à partir de ces composés carboxyliques ainsi obtenus. Ce procédé consiste à faire réagir le composé nitrile avec un composé basique hydroxyle en solution dans un solvant à une température comprise entre 80 et 200°C, à éliminer l'ammoniac formé, à faire réagir le sel obtenu avec un acide minéral puis à récupérer le composé comprenant au moins une fonction carboxylique et éventuellement estérifier les acides obtenus par réaction avec un alcool.
Denis Cyril
Leconte Philippe
Rhodia Operations
Robic
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