2022
DOI: 10.1002/chem.202201791
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Leveraging Metal and Ligand Reactive Sites for One Pot Reactions: Ligand‐Centered Borenium Ions for Tandem Catalysis with Palladium

Abstract: Tandem catalysts that perform two different organic transformations in a single pot are highly desirable because they enable rapid and efficient assembly of simple organic building blocks into more complex molecules. Many examples of tandem catalysis rely on metal-catalyzed reactions involving one or more metal complexes. Remarkably, despite surging interest in the development of chemically reactive (i. e., non-innocent) ligands, there are few examples of metal complexes that leverage ligand-centered reactivit… Show more

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Cited by 3 publications
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“…The incorporation of a main-group element within the coordination sphere of a TM center has been shown to tune the TM center for productive catalysis. Despite advances in this field, the complementary study of how alteration of the TM may impact reactivity at main-group centers has received less attention. Considering the rich coordination chemistry of Sn to TM centers, we sought to exploit a bimetallic platform to investigate how metal–metal bonds might communicate electronic structure changes between the two metal centers, and how this impacts reactivity at a main-group center (Figure c). Furthermore, the rich spectroscopy afforded to the Sn nucleus ( 119 Sn NMR, 119 Sn Mössbauer) allowed us to validate and calibrate our X-ray absorption spectroscopy (XAS) methodology (vide infra).…”
Section: Introductionmentioning
confidence: 99%
“…The incorporation of a main-group element within the coordination sphere of a TM center has been shown to tune the TM center for productive catalysis. Despite advances in this field, the complementary study of how alteration of the TM may impact reactivity at main-group centers has received less attention. Considering the rich coordination chemistry of Sn to TM centers, we sought to exploit a bimetallic platform to investigate how metal–metal bonds might communicate electronic structure changes between the two metal centers, and how this impacts reactivity at a main-group center (Figure c). Furthermore, the rich spectroscopy afforded to the Sn nucleus ( 119 Sn NMR, 119 Sn Mössbauer) allowed us to validate and calibrate our X-ray absorption spectroscopy (XAS) methodology (vide infra).…”
Section: Introductionmentioning
confidence: 99%
“…Descriptors spanning a broad spectrum of reactivity from ancillary/spectator/innocent ( A ) to electronically coupled/noninnocent ( B ) and participatory/cooperative ( C ) are well-known (Figure ). On the far extreme of this continuum, a “functional” class of ligands ( D )in which bond making and breaking are localized on the ligand itself in conjunction with a stabilizing “spectator metal”are comparatively less common. …”
mentioning
confidence: 99%