Abstract
AbstractThe first transition‐metal‐free method for direct C−H trifluoromethylation of imidazo[1,2‐a]pyridine derivatives with readily available Ruppert‐Prakash reagent TMSCF3 under mild conditions was described. Moreover, this method could be applied to direct C−H perfluoroalkylation of imidazopyridines, affording a series of novel perfluoroalkylated products in moderate to good yields. Notable advantages of this protocol include easy operation, high‐efficiency and wide substrate scope.magnified image
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