3.8 Article

Boosting Gold(I) Catalysis via Weak Interactions: New Fine-Tunable Impy Ligands

Journal

ACS ORGANIC & INORGANIC AU
Volume -, Issue -, Pages 229-235

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acsorginorgau.1c00052

Keywords

carbene ligands; fine-tunability gold; homogeneous catalysis; secondary interactions

Funding

  1. University of Bologna
  2. PRIN-2017 project [2017W8KNZW]
  3. Ministerio de Ciencia [PID2020-115789GB-C22]

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A series of modular ImPy-carbene-Au(I) complexes were synthesized and characterized in both the solid state and solution. The incorporation of oligoaryl units at the C5-position of the ImPy core resulted in fine-tunable and predictable catalytic properties of the organometallic species. The presence of a CF3-containing aromatic ring at the ImPy core significantly accelerated several [Au(I)]-catalyzed electrophilic activations of unsaturated hydrocarbons.
A series of modular ImPy-carbene-Au(I) complexes are synthesized and fully characterized both in the solid state and in solution. The presence of oligoaryl units (phenyl and thienyl rings) at the C5-position of the ImPy core (in close proximity to the gold center) imprints on the organometallic species fine-tunable and predictable catalytic properties. A marked accelerating effect was recorded in several [Au(I)]-catalyzed electrophilic activations of unsaturated hydrocarbons when a CF3-containing aromatic ring was accommodated at the ImPy core.

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