Process for preparing alkyl esters of carboxylic acids from...

Details Process for preparing alkyl esters of carboxylic acids from... Process for preparing alkyl esters of carboxylic acids from...

C - Chemistry, Metallurgy

07

C

260/495.1

C07C 69/24 (2006.01) C07C 29/157 (2006.01)

Patent

CA 1212688

PROCESS FOR PREPARING ALKYL ESTERS OF CARBOXYLIC ACIDS FROM AN ACID AND SYNGAS USING A NOVEL CATALYST COMPOSITION ABSTRACT Lower alkyl esters of carboxylic acids are prepared in good yield from a carboxylic acid and syngas by con- tacting a mixture of the carboxvlic acid, carbon monoxide and hydrogen with a catalyst composition comprising a ruthenium-containing compound, a cobalt-containing compound and a quaternary onium salt or base, and heating the resulting mixture at an elevated temperature and pressure for sufficient time to produce the desired alkyl carboxy- lic acid ester, and then recovering the same from the reaction mixture. Methanol is an additional and preferred reactant.

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