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2,6-Bis(benzimidazol-2-yl)pyridine complexes of group 14 elements

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Abstract

Treatment of MCl2 (M = Ge or Sn) with 2,6-bis(benzimidazol-2-yl)pyridine (G-BZIMPY, G = NBn, N(3,5-CF3)Bn, NAllyl and O) yielded the self-ionization products [G-BZIMPYMCl][MCl3] (1–6) in high yields (75–98%). Reduction reactions are examined and the nickel complexes 8 and 9 ([(NBn-BZIMPY)2Ni][MCl3]2) are isolated from the reaction of Ni(COD)2 with 1 and 2 respectively. [NBn-BZIMPYSnCl][SnCl3] shows a significantly stronger MLCT band in the UV-vis absorption spectrum than its germanium counterparts, with germanium complexes exhibiting negative solvatochromism that is not observed in tin complexes.

Graphical abstract: 2,6-Bis(benzimidazol-2-yl)pyridine complexes of group 14 elements

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Publication details

The article was received on 06 Mar 2019, accepted on 02 May 2019 and first published on 03 May 2019


Article type: Paper
DOI: 10.1039/C9DT00995G
Dalton Trans., 2019, Advance Article

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    2,6-Bis(benzimidazol-2-yl)pyridine complexes of group 14 elements

    A. Swidan, P. B. J. St. Onge, J. F. Binder, R. Suter, N. Burford and C. L. B. Macdonald, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT00995G

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