Abstract
A facile process for the preparation of substituted ethyl 2′-pyridyldifluoroacetates 3 is described starting from readily available ethyl bromodifluoroacetate 2 and substituted 2-bromo or 2-chloropyridines 1 . This process features a copper-mediated cross-coupling reaction in DMSO and is the first to utilise pyridylbromides or chlorides with ethyl bromodifluoroacetate 2 in this reaction.
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