Carbonylation reactions

Details Carbonylation reactions Carbonylation reactions

C - Chemistry, Metallurgy

07

C

C07C 51/12 (2006.01) C07C 51/14 (2006.01) C07C 53/08 (2006.01) C07C 67/36 (2006.01)

Patent

CA 2378749

A continuous process for carrying out carbonylation reactions has an alkene, alkyne or alcohol substrate reacted with carbon monoxide using a heterogeneous catalyst and with or without use of a solvent medium. At least one component is under supercritical or near critical conditions. One or more of the reaction conditions of temperature, pressure, residence time, flow rate and catalyst can be controlled so as to achieve optional yield and/or selectivity.

Cette invention concerne un procédé en continu de réactions de carbonylation faisant intervenir une réaction entre un substrat alcène, alcyne ou alcool avec un monoxyde de carbone au moyen d'un catalyseur hétérogène, avec ou sans solvant. Un composant au moins se trouve en conditions supercritiques ou supercritiques proches. On peut agir sur une ou plusieurs des conditions de la réaction - température, pression, durée de séjour, débit et catalyseur - pour améliorer le rendement et/ou la sélectivité.

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