Abstract
A number of paramagnetic derivatives of [6-tert-butyl-4-(5-tert-butyl-2-methyl-3,4-dioxocyclohexa-1,5-dien-1-yl)-3-methylcatecholato]triphenylantimony(v) were investigated by ESR spectroscopy. The reactions of this complex with Cp2Co or LiCl in the presence of Hgmetal. lead to the formation of free (nonchelated) radical anion semiquiones. Chelated complexes are formed in the case of Tl(Hg), Mn2(CO)10, Re2(CO)10, Sn2Ph6, Cu(met.), and CuCl + dppfc (dppfc is bis-diphenylphosphinoferrocene).
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Dedicated to Academician A. L. Buchachenko on the occasion of his 70th birthday.
Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 9, pp. 2004–2009, September, 2005.
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Cherkasov, V.K., Grunova, E.V. & Abakumov, G.A. ESR investigation of paramagnetic derivatives of [6-tert-butyl-4-(5-tert-butyl-2-methyl-3,4-dioxocyclohexa-1,5-dien-1-yl)-3-methylcatecholato]triphenylantimony(V). Russ Chem Bull 54, 2067–2072 (2005). https://doi.org/10.1007/s11172-006-0078-5
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DOI: https://doi.org/10.1007/s11172-006-0078-5