A carbonylative α-arylation process employing unactivated nitriles for the first time is described. The reaction tolerates a range of (hetero)aryl iodides and several nitrile coupling partners. No prefunctionalization of the nitriles is necessary and the resulting β-ketonitriles are obtained in good to excellent yields. The methodology also allows for a convenient (13) C-labelling of the generated carbonyl moiety.
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Schranck et al. (2014) studied this question.
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