| abstract |
1,223,660. Carboxylic acids. RUHRCHEMIE A.G. 29 July, 1969 [7 Sept., 1968], No. 38081/69. Heading C2C. Carboxylic acids are prepared by reacting an alcohol with carbon monoxide in the presence of an acid catalyst under turbulent flow conditions in a tubular reactor. In a preferred embodiment, isobutanol is converted to pivalic acid using cone. sulphuric acid saturated with carbon monoxide. |