| http://www.w3.org/ns/prov#value | - Chem 43 (20), 3822 (1978)] or a compound of formula CH3 COCH(Cl)COCH3 in the presence of an inert solvent, e.g. a mixture of water and ethanol, optionally buffered, e.g. with excess sodium acetate, and at a temperature from 0??? to 50??? C.
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