Process for the continuous carbonylation of olefins

Details Process for the continuous carbonylation of olefins Process for the continuous carbonylation of olefins

C - Chemistry, Metallurgy

07

C

C07C 69/24 (2006.01) C07C 67/38 (2006.01)

Patent

CA 2227063

The invention relates to a process for the continuous carbonylation of olefins whereby an olefin is reacted with carbon monoxide and a nucleophilic compound in the presence of a catalyst system based on: (a) a source of a Group VIII metal cations, (b) a source of an aliphatic diphosphine, and (c) a carboxylic acid which is the hydrocarboxylation product of the olefin, whereby during the process the carboxylic acid is either added continuously or intermittently or is prepared in-situ by continuous or intermittent addition of water.

L'invention se rapporte à un procédé de carbonylation continue d'oléfines, procédé consistant à mettre à réagir une oléfine avec du monoxyde de carbone et un composé nucléophile en présence d'un système catalyseur comprenant: (a) une source de cations métalliques du groupe VIII, (b) une source de diphosphine aliphatique, et (c) un acide carboxylique qui est le produit d'hydrocarboxylation de l'oléfine. Au cours de ce procédé, l'acide carboxylique est soit ajouté de manière continue ou intermittente, soit préparé in situ par addition continue ou intermittente d'eau.

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