Production of carboxylic acids and esters

C - Chemistry – Metallurgy – 07 – C

Patent

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260/495.1, 260/5

C07C 53/08 (2006.01) B01J 31/18 (2006.01) C07C 51/10 (2006.01) C07C 51/12 (2006.01) C07C 69/14 (2006.01)

Patent

CA 1100525

ABSTRACT OF THE DISCLOSURE This invention relates to an improved process for the carbonylation of alcohols, esters, ethers and halide derivatives with carbon monoxide in the presence of a catalyst system compris- ing a Group VIII metal component and a halogen component. The improvement in the process resides in the use of a polydentate chelating phosphorus or arsenic ligand complexed with rhodium as the Group VIII metal component.

293411

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