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34.1.4.2.4.3 Variation 3: With N,N-Diethyl(trifluoromethyl)amine

DOI: 10.1055/sos-SD-034-00041

Dax, K.Science of Synthesis, (200534125.

N,N-Diethyl(trifluoromethyl)amine (204, R2=Et; R3=F; abbreviated as DTA) was one of the first Yarovenko and Ishikawa reagent analogues prepared in order to evaluate their potential in fluorination reactions. Reagent 204 (R2=Et; R3=F) is not commercially available, but can be synthesized[‌222‌] (Scheme 37) by reaction of diethylformamide (203, R1=H; R2=Et) with sulfur tetrafluoride and potassium fluoride (150°C, 48hours, yield: 89%).

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