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Protonation of magnesium and sodium complexes containing dianionic diimine ligands. Molecular structures of 1,2-bis{(2,6-diisopropylphenyl)imino}acenaphthene (dpp-BIAN), [(dph-BIAN)H2(Et2O)], and [(dpp-BIAN)HNa(Et2O)]

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Abstract

Hydrolysis of magnesium complexes containing the dianionic acenaphthenediimine ligands, (dpp-BIAN)Mg(thf)3 (1), (dph-BIAN)Mg(thf)3 (2), and (dtb-BIAN)Mg(thf)2 (3) (dpp-BIAN is 1,2-bis{ (2,6-diisopropylphenyl)imino}acenaphthene; dph-BIAN is 1,2-bis{(2-diphenyl)imino}acenaphthene; dtb-BIAN is 1,2-bis{(2,5-di-tert-butylphenyl)imino}acenaphthene), affords the corresponding diamines (dpp-BIAN)H2 (4), (dph-BIAN)H2(Et2O) (5), and (dtb-BIAN)H2 (6). Compounds 4 and 5 were isolated in the crystalline state and characterized by UV-Vis, IR, and 1H NMR spectroscopy. Partial hydrolysis of (dpp-BIAN)Na2(Et2O)3 gave the crystalline (dpp-BIAN)HNa(Et2O)2 complex (7), which was also characterized by spectroscopic methods. The structures of compounds 5 and 7 and free diimine dpp-BIAN were established by X-ray diffraction analysis.

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Authors and Affiliations

  1. G. A. Razuvaev Institute of Organometallic Chemistry, Russian Academy of Sciences, 49 ul. Tropinina, 603950, Nizhnii Novgorod, Russian Federation

    I. L. Fedushkin, V. A. Chudakova & G. K. Fukin

  2. Technical University of Berlin, 135 Strasse des 17 Juni, D-10623, Berlin, Germany

    S. Dechert, M. Hummert & H. Schumann

Authors
  1. I. L. Fedushkin
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  2. V. A. Chudakova
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  3. G. K. Fukin
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  4. S. Dechert
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  5. M. Hummert
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  6. H. Schumann
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 12, pp. 2634–2640, December, 2004.

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Fedushkin, I.L., Chudakova, V.A., Fukin, G.K. et al. Protonation of magnesium and sodium complexes containing dianionic diimine ligands. Molecular structures of 1,2-bis{(2,6-diisopropylphenyl)imino}acenaphthene (dpp-BIAN), [(dph-BIAN)H2(Et2O)], and [(dpp-BIAN)HNa(Et2O)]. Russ Chem Bull 53, 2744–2750 (2004). https://doi.org/10.1007/s11172-005-0185-8

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  • DOI: https://doi.org/10.1007/s11172-005-0185-8

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