Mixtures of isomeric pentanoic acids, esters prepared from...

Details Mixtures of isomeric pentanoic acids, esters prepared from... Mixtures of isomeric pentanoic acids, esters prepared from...

C - Chemistry, Metallurgy

07

C

C07C 69/22 (2006.01) C07C 45/50 (2006.01) C07C 53/126 (2006.01) C07C 53/128 (2006.01) C09K 5/04 (2006.01) C10M 105/38 (2006.01) C10M 171/00 (2006.01)

Patent

CA 2132675

Abstract Mixtures of isomeric pentanoic acids are prepared by hydroformylation of 1-butene/2-butene mixtures to give aldehyde mixtures, and oxidation of the aldehyde mixtures which have been separated off. The hydroformylation is carried out in the presence of rhodium catalysts, which are dissolved in water. The mixture of isomeric C5-mono- carboxylic acids, when esterified with dihydric or polyhydric alcohols, gives a mixture of isomeric esters which are used as lubricant for refrigerant compressors operated with chlorine-free, partly fluorinated hydro- carbons as the refrigerant.

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