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Computational exploration of substrate and ligand effects in nickel-catalyzed C-Si bond carboxylation with CO

Organic Chemistry Frontiers, ISSN: 2052-4129, Vol: 6, Issue: 21, Page: 3629-3635
2019
  • 11
    Citations
  • 0
    Usage
  • 4
    Captures
  • 0
    Mentions
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Metric Options:   Counts1 Year3 Year

Metrics Details

  • Citations
    11
    • Citation Indexes
      11
  • Captures
    4

Article Description

The substrate and ligand effects in nickel-catalyzed C-Si bond carboxylation with CO were investigated using density functional theory (DFT) calculations. Distortion/interaction analysis was used to thoroughly understand the origins of the selectivity in competing C(sp)-Si and C(sp)-Si bond cleavages and the reactivity of CO insertion when employing different cyclic organosilicon substrates and NHC ligands. The results reveal that the selectivity between C(sp)-Si and C(sp)-Si oxidative addition in substrates with different ring sizes is mostly determined by the interaction energy between catalysts and substrates. The deformabilities of substrates and nickelacycles are the major factors that determine the reactivity of CO insertion, which are derived from the substrate ring strain and the ligand steric hindrance, respectively.

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