Manufacture of adipic acid

Details Manufacture of adipic acid Manufacture of adipic acid

C - Chemistry, Metallurgy

07

C

C07C 51/14 (2006.01) C07C 51/10 (2006.01) C07C 55/14 (2006.01) C07C 67/38 (2006.01)

Patent

CA 2267603

This invention provides a process for the preparation of adipic acid from pentenoic acids or esters of pentenoic acids by hydrocarboxylation of a reaction mixture in which gamma-valerolactone constitutes 30 to 70 % by weight of the reaction mixture.

La présente invention a pour objet un procédé de préparation d'un acide adipique à partir d'acides penténoïques ou d'esters d'acides penténoïques. Ce procédé consiste en une hydrocarboxylation d'un mélange de réaction composé pour 30 à 70 % de sa masse d'une gamma-valérolactone.

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