Synthesis, Characterization and Reactivity of a Σ‐donating Ni0‐Stabilized Silyliumylidene Ion
Angewandte Chemie(2022)
摘要
The synthesis of a silyliumylidene cation complex 2 stabilized by a Ni0 -based donating ligand is reported. Experimental and theoretical studies demonstrate that the highly electrophilic SiII center is stabilized by a dative Ni→Si σ-interaction and π-donations from the amino- and Ni-moieties. Due to the energetically close frontier orbitals localized on the Si and Ni atoms, complex 2 presents a competitive reactivity at Si and Ni sites.
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关键词
Donor-Stabilized Species,Metallacycles,Nickel Complex,Silyliumylidene Ion,Z-Type Ligand
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