σ-Alkenyl endo-palladacycle formation via regiospecific functionalisation of an unreactive NHC-tethered C(sp<sup>2</sup>)-H bond
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Chapman, Michael R.
Pask, Christopher M.
Ariafard, Alireza
Willans, Charlotte E.
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Abstract
An unusual cyclometallation reaction at palladium is described, which proceeds via C-H functionalisation of a vinylic C(sp2)-H bond tethered to an NHC ligand. The energetic balance between palladacycle formation and bis-NHC complexation has been found to be very subtle.
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Chemical Communications
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