Carbonylation process for the preparation of carboxylic acids

Details Carbonylation process for the preparation of carboxylic acids Carbonylation process for the preparation of carboxylic acids

C - Chemistry, Metallurgy

07

C

260/518, 260/528

C07C 53/00 (2006.01) C07C 51/12 (2006.01) C07C 57/30 (2006.01)

Patent

CA 1164890

PRECIS DE LA DIVULGATION: l'invention a trait à un procédé de carbonylation d'alcools. Selon le présent procédé on fait réagir du monoxyde de carbone sur un alcool, en phase liquide sous une pression totale inférieure à 200 bara en présence d'une quantité de nickel, d'un halogénure d'alkyle ou d'acyle, d'au moins un nel alcalin, et d'un acide carbo- xylique initialement chargé. Le procédé convient notamment à la préparation de l'acide acétique par carbonylation du méthanol.

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