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Aldehydes and ketones influence reactivity and selectivity in nickel-catalysed Suzuki-Miyaura reactions

AuthorsCooper, A.K.; Leonard, David K.; Bajo, Sonia ; Burton, Paul M.; Nelson, David J.
Issue Date2020
PublisherRoyal Society of Chemistry (UK)
CitationChemical Science 11: 1905- 1911 (2020)
AbstractThe energetically-favorable coordination of aldehydes and ketones-but not esters or amides-to Ni during Suzuki-Miyaura reactions can lead either to exquisite selectivity and enhanced reactivity, or to inhibition of the reaction. Aryl halides where the C-X bond is connected to the same π-system as an aldehyde or ketone undergo unexpectedly rapid oxidative addition to [Ni(COD)(dppf)] (1), and are selectively cross-coupled during competition reactions. When aldehydes and ketones are present in the form of exogenous additives, the cross-coupling reaction is inhibited to an extent that depends on the strength of the coordination of the pendant carbonyl group to Ni. This work advances our understanding of how common functional groups interact with Ni catalysts and how these interactions affect workhorse catalytic reactions in academia and industry.
Publisher version (URL)http://dx.doi.org/10.1039/c9sc05444h
Identifiersdoi: 10.1039/c9sc05444h
issn: 2041-6539
Appears in Collections:(IIQ) Artículos
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