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Layer polymeric Cu(II) complexes with enaminoketone derivatives of 3-imidazoline nitroxide. First structurally defined CuBr2 complex with imidazoline zwitterion

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Abstract

Crystal stmctures of two layer polymeric hetcrospin complexes Cu(LHal,R )2 , where L are deprotonated enaminoketone derivatives of a stable radical 3-imidazoline nitroxide (Hal = Cl, R = CF3 and Hal = Br, R = COOC2H5), are described. In the solid state, both compounds have a layer polymeric structure with Cu(11) ions coordinating the O atoms of the nitroxyl groups of the neighboring molecules. The stmcture of the product of decomposition of Cu(LBr,COOC 2H5 2 — Cu(L′)2Br2 · 2H2O—which is a rare example of a complex with a coordinated zwitterion (4-carboxy-2,255-tetramethyl-3-imidazoline zwitterion), is analyzed.

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Authors and Affiliations

  1. Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, USSR

    G. V. Romanenko & V. I. Ovcharenko

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  1. G. V. Romanenko
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  2. V. I. Ovcharenko
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Translated fromZhumal Struktunoi Khimii, Vol. 41, No. 2, pp. 349–358, March–April, 2(XX).

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Romanenko, G.V., Ovcharenko, V.I. Layer polymeric Cu(II) complexes with enaminoketone derivatives of 3-imidazoline nitroxide. First structurally defined CuBr2 complex with imidazoline zwitterion. J Struct Chem 41, 285–293 (2000). https://doi.org/10.1007/BF02741594

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  • DOI: https://doi.org/10.1007/BF02741594

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