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• W4383313504 startingPage "15589" @default.
• W4383313504 abstract "Deoxygenation of phosphine oxides is of great significance to synthesis of phosphorus ligands and relevant catalysts, as well as to the sustainability of phosphorus chemistry. However, the thermodynamic inertness of P═O bonds poses a severe challenge to their reduction. Previous approaches in this regard rely primarily on a type of P═O bond activation with either Lewis/Brønsted acids or stoichiometric halogenating reagents under harsh conditions. Here, we wish to report a novel catalytic strategy for facile and efficient deoxygenation of phosphine oxides via successive isodesmic reactions, whose thermodynamic driving force for breaking the strong P═O bond was compensated by a synchronous formation of another P═O bond. The reaction was enabled by PIII/P═O redox sequences with the cyclic organophosphorus catalyst and terminal reductant PhSiH3. This catalytic reaction avoids the use of the stoichiometric activator as in other cases and features a broad substrate scope, excellent reactivities, and mild reaction conditions. Preliminary thermodynamic and mechanistic investigations disclosed a dual synergistic role of the catalyst." @default.
• W4383313504 created "2023-07-07" @default.
• W4383313504 creator A5053622969 @default.
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• W4383313504 date "2023-07-06" @default.
• W4383313504 modified "2023-10-18" @default.
• W4383313504 title "Deoxygenation of Phosphine Oxides by P^III/P^V═O Redox Catalysis via Successive Isodesmic Reactions" @default.
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• W4383313504 doi "https://doi.org/10.1021/jacs.3c05270" @default.
• W4383313504 hasPubMedId "https://pubmed.ncbi.nlm.nih.gov/37410888" @default.
• W4383313504 hasPublicationYear "2023" @default.
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