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Synthesis and characterization of palladium(II) complexes [PdX2(p-diben)] (X = Cl, Br, I, N3, or NCO; p-diben = N,N′-bis(4-dimethylaminobenzylidene)ethane-1,2-diamine): crystal structure of [Pd(N3)2(p-diben)]

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Abstract

Five new complexes of general formula [PdX2(p-diben)], where p-diben = N,N′-bis(4-dimethylaminobenzylidene)ethane-1,2-diamine) (1) and X = Cl (2), Br (3), I (4), N3 (5), or CNO (6), were synthesized and characterized by physicochemical and spectroscopic methods. The crystal structure of compound (5) was determined by single-crystal X-ray diffraction. Complexes 2–6 were characterized as N,N-chelated products. The crystal structure confirmed this formulation for [Pd(N3)2(p-diben)], besides showing the isomerism inversion of one of the C=N bonds, caused by Pd(II) coordination.

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Acknowledgments

We thank CAPES, CNPq, FINEP, and FAPEMIG for financial support and scholarship: Sarto LE (FAPEMIG), Landre IMR (FAPEMIG), and Bozza GF (CAPES). We thank LabCri-UFMG for the single-crystal diffraction measurements and Prof. Dr. Carlos B. Pinheiro and Prof. Dr. Nilvado L. Speziali for support during the single-crystal diffraction measurements.

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Authors and Affiliations

  1. Instituto de Química, Universidade Federal de Alfenas-UNIFAL-MG, Alfenas, MG, 37130-000, Brazil

    Luís E. Sarto, Iara M. R. Landre, Gabriela F. Bozza, Claudia Torres & Eduardo T. de Almeida

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  1. Luís E. Sarto
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  2. Iara M. R. Landre
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  3. Gabriela F. Bozza
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  4. Claudia Torres
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  5. Eduardo T. de Almeida
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Correspondence to Eduardo T. de Almeida.

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Sarto, L.E., Landre, I.M.R., Bozza, G.F. et al. Synthesis and characterization of palladium(II) complexes [PdX2(p-diben)] (X = Cl, Br, I, N3, or NCO; p-diben = N,N′-bis(4-dimethylaminobenzylidene)ethane-1,2-diamine): crystal structure of [Pd(N3)2(p-diben)]. Transition Met Chem 39, 495–500 (2014). https://doi.org/10.1007/s11243-014-9824-y

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