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Issue 40, 2019
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Synthesis and structural characterization of arsinoamides – early transition metal (Zr and Hf) and main group metal (Al, In, Sn, and Pb) complexes

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Abstract

By reaction of MCl4 (M = Zr, Hf) with 2 equiv. of [(Mes2AsNPh){Li(OEt2)2}], the first group 4 metal arsinoamide complexes [(Mes2AsNPh)2MCl2(THF)] were synthesized. They feature two weak M–As interactions. After formally replacing the chloride atoms by the amido ligands [NMe2], a more diverse M–As interaction arises in [(Mes2AsNPh)2M(NMe2)2]: only one M–As contact can be observed with a substantially shorter distance. This type of interaction may originate from the steric effect of the substituents on the metal center. In addition, the coordination behavior of arsinoamide in main group metal chemistry was investigated. Thus, arsinoamide complexes of Al(III), In(III), Sn(II) and Pb(II) are reported. In contrast to the group 4 complexes, no M–As interaction can be detected in these four complexes.

Graphical abstract: Synthesis and structural characterization of arsinoamides – early transition metal (Zr and Hf) and main group metal (Al, In, Sn, and Pb) complexes

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The article was received on 27 Aug 2019, accepted on 16 Sep 2019 and first published on 02 Oct 2019


Article type: Paper
DOI: 10.1039/C9DT03472B
Dalton Trans., 2019,48, 15207-15211
  • Open access: Creative Commons BY-NC license
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    Synthesis and structural characterization of arsinoamides – early transition metal (Zr and Hf) and main group metal (Al, In, Sn, and Pb) complexes

    X. Chen, M. T. Gamer and P. W. Roesky, Dalton Trans., 2019, 48, 15207
    DOI: 10.1039/C9DT03472B

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