Semi-Reduction of Internal Alkynes with Prototypical Subnanometric Metal Surfaces: Bridging Homogeneous and Heterogeneous Catalysis with Trinuclear All-Metal Aromatics

Abstract : Suitably delocalized metal-metal bonds can stabilize a particular class of discrete trinuclear complexes that are the transition-metal counterparts of carbon-based aromatics. This chemical stability has pivoted the development of an advantageous catalytic method for the semi-reduction of internal alkynes under transfer hydrogenation condition. The reaction does not require any additional solvent and a simple work-up delivers pure products. This combines with broad functional group tolerance, complete cis-selectivity and catalytic charges down to 100 ppm on multi-gram scale.
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ACS Sustainable Chemistry & Engineering, American Chemical Society, 2017, 5 (9), pp.8205-8212. 〈10.1021/acssuschemeng.7b01847〉
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Anna Monfredini, Veronica Santacroce, Luciano Marchiò, Raimondo Maggi, Franca Bigi, et al.. Semi-Reduction of Internal Alkynes with Prototypical Subnanometric Metal Surfaces: Bridging Homogeneous and Heterogeneous Catalysis with Trinuclear All-Metal Aromatics. ACS Sustainable Chemistry & Engineering, American Chemical Society, 2017, 5 (9), pp.8205-8212. 〈10.1021/acssuschemeng.7b01847〉. 〈hal-01590941〉

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