Conclusions
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1.
This is the first report of the direct metallation of CH-acids with pKa from 18 to 26 by organic derivatives of divalent ytterbium, RYbX.
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2.
Fluoro-substituted aryl bromides were found to undergo oxidative addition reactions with ytterbium.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 6, pp. 1413–1415, June, 1984.
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Rybakova, L.F., Syutkina, O.P., Petrov, É.S. et al. Organic derivatives of divalent ytterbium RYbX in metallation reactions. Russ Chem Bull 33, 1301–1303 (1984). https://doi.org/10.1007/BF00949006
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DOI: https://doi.org/10.1007/BF00949006