Abstract
Herein, we report the synthesis of a sterically distorted distibene ([4]2) and its transition‐metal‐like reactivity towards two fundamental feedstock chemicals: H2 and ethylene. Although [4]2 exhibits an unusually long Sb=Sb distance and noticeable backbone distortion in the solid state, NMR data suggest that [4]2 remains predominantly as a dimer in solution, even at high temperatures. However, it was proposed that the elusive reactivity of [4]2 toward H2 and ethylene results from reversible dissociation of [4]2 into the transient stibinidene ([4]), which could be observed by NMR spectroscopic techniques.
Funding Information
  • Max-Planck-Gesellschaft
  • Verband der Chemischen Industrie
  • H2020 European Research Council (850496)
  • China Scholarship Council

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