Method for producing aliphatic esters of carboxylic acids

Details Method for producing aliphatic esters of carboxylic acids Method for producing aliphatic esters of carboxylic acids

C - Chemistry, Metallurgy

07

C

260/495.1

C07C 69/24 (2006.01) B01D 3/36 (2006.01) B01J 23/70 (2006.01) B01J 31/02 (2006.01) B01J 31/28 (2006.01) B01J 31/40 (2006.01) C07C 67/38 (2006.01) C07C 67/48 (2006.01) C07C 69/02 (2006.01) C11C 3/12 (2006.01)

Patent

CA 1164475

ABSTRACT OF THE DISCLOSURE The invention relates to production of alkyl esters of saturated aliphatic carboxylic acids by reacting an olefin with carbon monoxide and an alkanol in the presence of a cobalt compound as catalyst and pyridine or a non-ortho substituted alkyl pyridine as promoter. The promoter is recovered from the reaction mixture and purified for re-use by rectification in the presence of a carboxylic acid which is thermally stable under the rectification conditions and which forms a maximum azeotrope with the pyridine or non-ortho substituted alkyl pyridine under the reaction conditions.

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