SCHEDULED MAINTENANCE
3-Arylhydrazones of pentane-2,3,4-triones are known to undergo substitutive bromination. We report here a study of the bromination of the copper chelates of arylhydrazones of pentane-2,3,4-trione and 5,5-dimethylcyclohexane-1,2,3-trione. The products, 3-arylazo-3-bromopentane-2,4-diones and 2-arylazo-2-bromo-5,5-dimethylcyclohexane-1,3-diones, liberate iodine from acidified potassium iodide solution.
H. C. Garg and C. Prakash, J. Chem. Soc. C, 1970, 1056 DOI: 10.1039/J39700001056
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