Process for the production of 2-ethyl-hexanol

Details Process for the production of 2-ethyl-hexanol Process for the production of 2-ethyl-hexanol

C - Chemistry, Metallurgy

07

C

260/638.2

C07C 29/16 (2006.01) C07C 29/17 (2006.01) C07C 31/125 (2006.01) C07C 45/50 (2006.01) C07C 45/74 (2006.01) C07C 45/82 (2006.01)

Patent

CA 1258873

Abstract of Disclosure A process for the production of 2-ethyl-hexanol comprising reacting propene with carbon monoxide and hydrogen, in the presence of an aqueous catalyst containing rhodium and at least one sulfonated triaryl phosphine, to form an aqueous phase and an organic phase, said organic phase comprising a mixture of materials having boiling points lower than that of n-butanal and substances having boiling points equal to or higher than that of n-butanal, said materials including i-butanal, separating said material from said substances, subjecting said substances to aldol condensation, in the presence of aqueous alkali, to form 2-ethyl-hexenol, first hydrogenating said 2-ethyl-hexenal in a gas phase in the presence of a first hydrogenation catalyst and thereafter hydrogenating said 2-ethyl-hexenal in a liquid phase to form 2-ethyl-hexanol in the presence of a second hydrogenation catalyst.

517085

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