sc7b01847_si_001.pdf (6.01 MB)
Semi-Reduction of Internal Alkynes with Prototypical Subnanometric Metal Surfaces: Bridging Homogeneous and Heterogeneous Catalysis with Trinuclear All-Metal Aromatics
journal contribution
posted on 2017-08-10, 00:00 authored by Anna Monfredini, Veronica Santacroce, Luciano Marchiò, Raimondo Maggi, Franca Bigi, Giovanni Maestri, Max MalacriaSuitably
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
semireduction of internal alkynes under transfer hydrogenation condition.
The reaction does not require any additional solvent and a simple
workup delivers pure products. This combines with broad functional
group tolerance, complete cis-selectivity and catalytic charges down
to 100 ppm on multigram scale.
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Internal Alkynes100 ppmSemi-ReductionAromaticBridging Homogeneousmultigram scaleworkuppivotedsemireductioncarbon-based aromaticschargeHeterogeneous Catalysisdelocalizedmethodalkynechemical stabilitySuitablyAll-Metalcis-selectivityPrototypical Subnanometric Metal Surfacesgroup toleranceTrinucleartransition-metal counterpartstrinuclear complexestransfer hydrogenation conditionbond
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