A green method demonstrates successful α-arylation of ketones using aryl chlorides, indicating efficiency for large-scale use.
A green and mild palladium-catalyzed solvent-free α-arylation reaction of ketones was disclosed for the first time. Using the robust N-heterocyclic carbene-palladium complex (SIPr)Ph2Pd(cin)Cl, (hetero)aryl chlorides and ketones were able to generate monoarylation products in excellent yields under solvent-free conditions, with a total of 41 examples. Furthermore, the protocol has been demonstrated to be suitable for multigram-scale preparation with a high yield.
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Ouyang et al. (2026) studied this question.
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