Boosting Gold(I) Catalysis via Weak Interactions: New Fine-Tunable Impy Ligands
Riccardo Pedrazzani1, Angela Pintus1, Roberta De Ventura1
1Dipartimento di Chimica "Giacomo Ciamician", Alma Mater Studiorum, Via Selmi 2, 40126 Bologna, Italy.
Abstract:
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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