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A novel route to access trifluoromethylketones (TFMKs) from Weinreb amides is reported. This represents the first documented case of the Ruppert-Prakash reagent (TMS-CF(3)) reacting in a constructive manner with an amide and enables synthesis of TMFKs without risk of over-trifluoromethylation.
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Rudzinski et al. (2012) studied this question.
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