Process for the co-production of carboxylic acids and...

Details Process for the co-production of carboxylic acids and... Process for the co-production of carboxylic acids and...

C - Chemistry, Metallurgy

07

C

260/495.1, 260/5

C07C 53/08 (2006.01) C07C 51/12 (2006.01) C07C 69/14 (2006.01)

Patent

CA 1187096

Process for the co-production of carboxylic acids of the general formula R1-COOH and R2-COOH and carboxylic acid esters of general formula R1-COOCH2R2 and R2-COOCH2R1 from carboxylic acid esters of general formula R1-COOR2 and/or ethers of general formula R3OR4 (R1, R2, R3 R4 representing (substituted) alkyl or (substi- tuted) aryl, alkaryl or aralkyl, R1 also representing H), carbon monoxide and hydrogen at elevated temperature and pressure in the presence of a ruthenium compound and a further Group VIII metal compound, hydrogen iodide, hydrogen bromide, elemental iodine and/or elemental bromine being added to the reaction mixture. The process is of special interest for the selective conver- sion of methyl acetate into ethyl acetate and acetic acid at pressures well below 100 bar.

407639

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