Abstract
Reactions of tetrakis(dimethylamino)ethylene (I) with CF 3I and CF 2Br 2 in the presence of different reactants have been investigated according to the reaction scheme below. While the reagent combination (I)/CF 3I acts as a trifluoromethylating agent [1], N-trifluoromethylation of secondary amines has been observed with the combination (I)/CF 2Br 2/KF [2]. Under similar reaction conditions trifluoromethylstannanes R 3SnCF 3 have been obtained. ▪ The mechanism of the reactions is discussed.
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