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New paramagnetic tin(IV) complexes based on o-iminoquinone ligands: Synthesis and thermal transformation

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Abstract

A series of new paramagnetic tin(IV) complexes based on sterically hindered o-iminobenzoquinones (R)ImQ differed in fragments (R) in the N-aryl fragment is synthesized. The thermal transformation of the tin(IV) complex, (iso-Pr)ImSQSn(tert-Bu)2Cl ((iso-Pr)ImSQ is the radical anion of 4,6-di-tert-butyl-N-(2,6-di-iso-propylphenyl)-o-iminobenzoquinone), is studied. The thermal transformation of the paramagnetic complex in nonane results in the formation of a new tin(II) bis(aminophenolate) derivative. The synthesized complexes and the thermolysis product are characterized by EPR, IR, and 1H, 13C, and 119Sn NMR spectroscopy and elemental analysis. The structures of the (tert-Bu)ImSQSn(tert-Bu)2Cl complex and the thermal decomposition product, {(iso-Pr)AmPh}2Sn ((iso-Pr)AmPh is 2-(2,6-di-iso-propylphenyl)amino-4,6-di-tert-butylphenolate), are determined by X-ray diffraction analysis.

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Authors and Affiliations

  1. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, ul. Tropinina 49, Nizhni Novgorod, 603600, Russia

    A. V. Piskunov, M. G. Chegerev & G. K. Fukin

  2. Nizhni Novgorod State University, pr. Gagarina 23, Nizhni Novgorod, 603600, Russia

    A. V. Piskunov, M. G. Chegerev, L. B. Vaganova & G. K. Fukin

Authors
  1. A. V. Piskunov
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  2. M. G. Chegerev
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  3. L. B. Vaganova
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  4. G. K. Fukin
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Correspondence to A. V. Piskunov.

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Original Russian Text © A.V. Piskunov, M.G. Chegerev, L.B. Vaganova, G.K. Fukin, 2015, published in Koordinatsionnaya Khimiya, 2015, Vol. 41, No. 7, pp. 394–402.

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Piskunov, A.V., Chegerev, M.G., Vaganova, L.B. et al. New paramagnetic tin(IV) complexes based on o-iminoquinone ligands: Synthesis and thermal transformation. Russ J Coord Chem 41, 428–435 (2015). https://doi.org/10.1134/S1070328415070076

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  • DOI: https://doi.org/10.1134/S1070328415070076

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