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Origin of the different reactivity of the high-valent coinage-metal complexes [RCuIIIMe3]− and [RAgIIIMe3]− (R = allyl)
High-valent tetraalkylcuprates(iii) and -argentates(iii) are key intermediates of copperand silver-mediated C−C coupling reactions. Here, we investigate the previously reported contrasting reactivity of [RM iii Me 3 ] − complexes (M = Cu, Ag and R = allyl) with energy-dependent collision-induced dissociation experiments, advanced quantum-chemical calculations and kinetic computations. The gas-phase fragmentation experiments confirmed the preferred formation of the [RCuMe] − anion upondoi:10.33774/chemrxiv-2021-k9msd fatcat:2d5ublnbozculc5wt64m7jllbq