Conclusions
Hexafluoroacetone and methyl trifluoropyruvate react under mild conditions with sodium phenolate, sodium alkoxyphenolates, sodium alkylphenolates, and sodium dialkylphenolates to give the ortho-alkylation and ortho,ortho-dialkylation products. In the case of sodium phenolate, the tri-C-alkylation product is also obtained. The second C-alkylation of meta-substituted sodium phenolates was found to be difficult.
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For previous communication, see ref. [1].
Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 12, pp. 2849–2852, December, 1987.
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Dyachenko, V.I., Kolomets, A.F. & Fokin, A.V. Reactions of polyfluorocarbonyl compounds with phenolates. Russ Chem Bull 36, 2646–2648 (1987). https://doi.org/10.1007/BF00957257
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DOI: https://doi.org/10.1007/BF00957257