Process for the selective oxidation of paraffinic hydrocarbons

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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2604651, 260597R, 260593H, 260488R, 260448F, 2604654, 2604658R, C07C12114, C07C12130, C09F 702

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active

040026566

ABSTRACT:
A process for the oxidation, in the presence of a cobalt salt, of straight-chain paraffinic compounds of general formula ##STR1## wherein n is an integer from 1 to 16 inclusive, Y.sup.1 is hydrogen or a substituent selected from the group consisting of X, CN, COOR and OCOR, wherein X is a halogen and R a hydrocarbon radical containing from 1 to 6 carbon atoms inclusive and Y.sup.2 is selected from the group consisting of Y.sup.1, CHX.sub.2 and CX.sub.3, and wherein Y.sup.1 is hydrogen when Y.sup.2 is CX.sub.3 or is X when Y.sup.2 is selected from the group consisting of CX.sub.3 and CHX.sub.2, with the selective formation of monoketones, having the same number of carbon atoms as the starting compound and of the general formula: ##STR2## wherein n, Y.sup.1 and Y.sup.2 are as defined above, the process comprising contacting said paraffinic compounds with a cobalt salt having a trivalent cobalt to the total cobalt ratio between 0.5 and 1.0, based on metal cobalt, the concentration of said cobalt salt being at least 0.05 mole per liquid liter of reaction mixture, at a temperature between 20.degree. and 120.degree. C., and in the presence of molecular oxygen.

REFERENCES:
patent: 2265948 (1941-12-01), Loder
patent: 2920087 (1960-01-01), Hay
patent: 3196182 (1965-07-01), Cox
patent: 3351657 (1967-11-01), Duncanson
patent: 3758557 (1973-09-01), D'Ostrowick
Bigot et al., Rec. Trav. Chim. 84 (1965), pp. 1243-1246.

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