We report a catalytic direct synthesis of 1,2-diketone from 1,3-diketone through iodine/base-catalyzed aerobic photooxidation under visible-light irradiation of fluorescent lamp.
We report the catalytic oxidative cleavage of 1,3-diketones to the corresponding carboxylic acids by aerobic photooxidation with iodine under irradiation with a high-pressure mercury lamp.
Light. -The triketones are proposed as intermediates which undergo base-promoted benzilic rearrangement and oxidative decarboxylation. The triketone (IV) is isolated as stable product in the case of the di-tert-butyl dione (III). -(TADA, N.; SHOMURA, M.; NAKAYAMA, H.; MIURA, T.; ITOH*, A.; Synlett
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