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From the same journal

Formation and propagation of well-defined Pd nanoparticles (PdNPs) during C-H bond functionalization of heteroarenes: Are nanoparticles a moribund form of Pd or an active catalytic species?

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Publication details

DatePublished - 29 May 2015
Issue number36
Number of pages14
Pages (from-to)6174-6187
Original languageEnglish


Abstract Examination of a series of C-H bond functionalization reactions of heteroarenes (e.g., indole, benzoxazole, benzthiazole, benzimidazole and purine derivatives) mediated by Pd(OAc)2, a commonly used C-H bond functionalization catalyst, reveals that well-defined Pd nanoparticles (PdNPs) are rapidly formed under working catalyst conditions. The PdNPs can be characterized ex situ after entrapment in a polymer matrix (polyvinylpyrrolidinone, PVP). Independently synthesized Pd(PVP)NPs are catalytically competent species, exhibiting catalyst activity commensurate with Pd(OAc)2 in several C-H bond functionalization reactions. Across a range of reactions, Pd concentration is a common variable, which can be linked to the propagation of PdNPs under working catalytic conditions using polar solvents like DMF, DMSO and acetic acid.

    Research areas

  • Catalysis, Cross-coupling, Nanoparticles, Palladium

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