Conclusions
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1.
Disappearance of the free valence in organometallic derivatives of o-semiquniones with IVB group metals linked with elimination of one of the radicals on the IVB group element, proceeds by a bimolecular mechanism with participation of an external acceptor of the radical. The case in which a stable radical is formed as a result of elimination constitutes an exception.
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2.
Examples of acceptors contributing to radical elimination are atoms of metals, organometallic and organic radicals, and neutral molecules.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 9, pp. 2098–2105, September, 1984.
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Razuvaev, G.A., Abakumov, G.A., Bayushkin, P.Y. et al. Mechanism of homolysis of M-C bonds in group IVB organometallic derivatives of o-semiquinones. Russ Chem Bull 33, 1915–1922 (1984). https://doi.org/10.1007/BF00948642
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DOI: https://doi.org/10.1007/BF00948642