The effect of substituents in metal chelates of para-substituted dibenzoylmethanes in their reactions with benzoyl chloride have been examined. Electron-releasing substituents have been shown to increase the amount of C-benzoylation and electron-attracting substituents to increase the amount of O-benzoylation. A mechanistic interpretation of these results is proposed.
M. G. Murray and D. C. Nonhebel, J. Chem. Soc. C, 1970, 1172 DOI: 10.1039/J39700001172
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