4.6 Article

Secondary Phosphine Oxides as Multitalented Preligands En Route to the Chemoselective Palladium-Catalyzed Oxidation of Alcohols

期刊

CHEMCATCHEM
卷 9, 期 5, 页码 728-732

出版社

WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201601261

关键词

hydrides; hydrogen transfer; oxidation; P ligands; palladium

资金

  1. Centre National de la Recherche Scientifique (CNRS)
  2. Ministere de l'Enseignement superieur et de la Recherche (MESR)

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Secondary phosphine oxides O=PHR2 (SPOs) were identified as multitalented preligands for the chemoselective Pd-catalyzed oxidation of alcohols by a hydrogen-abstracting methodology. SPOs were found to promote the hydrogen-abstraction step as well as hydrogen transfer to a Michael acceptor by generating a putative active H-Pd species. The catalytic system operates under neutral conditions and was proven to be compatible with various electrophilic and nucleophilic functionalities within the substrates as well as water-and air-sensitive functional groups.

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