Process for preparing carboxylic acids and derivatives thereof

C - Chemistry – Metallurgy – 07 – C

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C07C 59/00 (2006.01) C07C 29/147 (2006.01) C07C 31/20 (2006.01) C07C 51/02 (2006.01) C07C 51/377 (2006.01) C07C 51/42 (2006.01) C07C 59/08 (2006.01) C07C 59/245 (2006.01) C07C 67/08 (2006.01) C07C 69/08 (2006.01) C07C 69/66 (2006.01)

Patent

CA 2446638

Processes for preparing carboxylic acids and derivatives thereof in which an ammonium salt of the carboxylic acid is heated in the presence of an organic reagent to split the salt and form the acid or, where the organic reagent is an esterifying agent, the corresponding ester. Both the acid and the ester may be dehydrated to form unsaturated counterparts.

L'invention concerne des procédés de préparation d'acides carboxyliques et de leurs dérivés dans lesquels on réchauffe un sel d'ammonium de l'acide carboxylique en présence d'un réactif organique afin de diviser le sel et former l'acide ou, lorsque le réactif organique est un agent d'estérification, l'ester correspondant. On peut déshydrater l'acide ainsi que l'ester pour former des homologues insaturés.

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