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Yttrium and samarium complexes with a linked 1,4,7-triazacyclononane-aryloxide ancillary ligand

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Abstract

The reaction of yttrium trichloride with the stoichiometric amount of the potassium salt of the 1-(3,5-di-tert-butyl-2-hydroxybenzyl)-4,7-diisopropyl-1,4,7-triazacyclononane ligand (iPr2-TACN-CH2C6H2 tBu2OH) (TACN = 1,4,7-triazacyclononane) in DME affords in good yield complex [iPr2-TACN-CH2C6H2 tBu2O]YCl2 (1). This complex is characterized by elemental analysis and 1H nuclear magnetic resonance; the solid state structure is determined by the single crystal X-ray diffraction analysis. In complex 1, the metal centre is six-coordinated by the aryloxide oxygen atom, the three nitrogen atoms of the TACN ligand, and two chlorine atoms. The X-ray structure of isomorphic samarium complex [iPr2-TACN-CH2C6H2 tBu2O]SmCl2 (2) is also determined.

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Authors and Affiliations

  1. Centro de Ciências e Tecnologias Nucleares, Instituto Superior Técnico, Universidade de Lisboa, 2696-066, Bobadela LRS, Portugal

    J. Cui, I. C. Santos & J. M. Carretas

  2. Department of Chemistry and Biochemistry, University of Notre Dame, 251 Nieuwland Science Hall, Notre Dame, USA

    J. Cui

  3. Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Lisboa, Portugal

    I. C. Santos

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  1. J. Cui
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  2. I. C. Santos
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  3. J. M. Carretas
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Correspondence to J. M. Carretas.

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Original Russian Text © 2014 J. Cui, I. C. Santos, J. M. Carretas.

The text was submitted by the authors in English. Zhurnal Strukturnoi Khimii, Vol. 55, No. 5, pp. 987–991, September–October, 2014.

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Cui, J., Santos, I.C. & Carretas, J.M. Yttrium and samarium complexes with a linked 1,4,7-triazacyclononane-aryloxide ancillary ligand. J Struct Chem 55, 941–945 (2014). https://doi.org/10.1134/S0022476614050230

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  • DOI: https://doi.org/10.1134/S0022476614050230

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