Abstract
The reduction of ArBIG-bian (ArBIG-bian = 1,2-bis[(2,6-dibenzhydryl-4-methylphenyl)-imino]acenaphthene) with an excess of metallic europium in dme and subsequent crystallization from a tmeda/thf mixture leads to the formation of an europium(II) complex [(ArBIG-bian)Eu(thf)2] (1) containing a diimine ligand dianion. As a result of the interaction of 1 with 0.5 molar equivalent of tetramethylthiuram disulfide in dme, the ligand is oxidized to the radical anion and the [(ArBIG-bian)Eu{S2CNMe2}(dme)] dithiocarbamate derivative (2) is formed. The newly obtained compounds 1 and 2 are characterized by IR spectroscopy and elemental analysis. Molecular structures of the complexes are determined by XRD.
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The work was carried out within the state assignment of the Ministry of Science and Higher Education of the Russian Federation using the equipment of the Center for Collective Use “Analytical Center of the IOMC RAS” with the financial support of the grant “Ensuring the development of the material and technical infrastructure of the centers for collective use of scientific equipment” (Unique identifier RF----2296.61321X0017, Agreement Number 075-15-2021-670) and by the Shared Facility Center of IGIC RAS.
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Russian Text © The Author(s), 2023, published in Zhurnal Strukturnoi Khimii, 2023, Vol. 64, No. 9, 117093.https://doi.org/10.26902/JSC_id117093
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Sokolov, V.G., Lukina, D.A., Skatova, A.A. et al. SYNTHESIS AND CRYSTAL STRUCTURES OF EUROPIUM COMPLEXES WITH A STERICALLY HINDERED ArBIG-BIAN LIGAND. J Struct Chem 64, 1724–1732 (2023). https://doi.org/10.1134/S0022476623090159
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DOI: https://doi.org/10.1134/S0022476623090159