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Published on: June 2, 2023
From zinco(ii) arsaketenes to silylene-stabilised zinco arsinidene complexes
Ernesto Ballestero-Martínez1, Terrance J Hadlington, Tibor Szilvási
1Department of Chemistry, Metalorganics and Inorganic Materials, Technische Universität Berlin, Strasse des 17. Juni 135, Sekr. C2, 10623 Berlin, Germany. matthias.driess@tu-berlin.de.
Abstract:
The decarbonylation of the first zinco(ii) arsaketene complexes LZnAsCO (2) and LZn(AsCO)(NHC) (4) (L = {CH(CMeNDipp)2}-, Dipp = 2,6-iPr2C6H3; NHC = [C(Me)N(iPr)]2C:) has been investigated in the presence of the N-heterocyclic silylenes, tBuNHSi (tBuNHSi = [C(H)N(tBu)]2Si:) and DippNHSi (DippNHSi = [C(H)N(2,6-iPr2-C6H3)]2Si:). Depending on the steric demand of the NHSi donor, dimers or monomers of silylene-stabilised arsinidenes are isolated. The bonding situations in all of the novel arsinidene complexes have been elucidated through X-ray diffraction analyses and theoretical calculations.
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