Oxidation of allylacetone to 2,5-hexanedione

Details Oxidation of allylacetone to 2,5-hexanedione Oxidation of allylacetone to 2,5-hexanedione

1974-04-08

1976-03-30

Helfin, Bernard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4500

Patent

active

039475212

ABSTRACT:
An economical process is described for the oxidation of allylacetone to 2,5-hexanedione in a mixed solvent system, using palladium chloride catalyst in the presence of copper chloride and oxygen. Through the use of high copper/palladium mole ratios together with copper/allylacetone mole ratios greater than 1, high yields of product are obtained with minimal losses of palladium.

REFERENCES:
patent: 3301905 (1967-01-01), Rumenschneider et al.
patent: 3303020 (1967-02-01), Clement et al.
patent: 3701810 (1972-10-01), Hasegawa et al.
Yamamota et al., Kogyo Kakaku Zasshi, Vol. 71, (6) pp. 945-946, (1968).
Smidt et al., Angervandte Chem., Vol. 71 (5), pp. 176-182, (1959).

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