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Palladium-Catalyzed Oxidative Borylation of Allylic C–H Bonds in Alkenes

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journal contribution
posted on 30.11.2017 by Lujia Mao, Rüdiger Bertermann, Simon G. Rachor, Kálmán J. Szabó, Todd B. Marder
This communication describes an efficient palladium pincer complex-catalyzed allylic C–H borylation of alkenes. The transformation exhibits high regio- and stereoselectivity with a variety of linear alkenes. A synthetically useful feature of this allylic C–H borylation method is that all allyl-Bpin products can be isolated in usually high yields. Preliminary mechanistic studies indicate that this C–H borylation reaction proceeds via Pd­(IV) pincer complex intermediates.