The experimental results of the electrochem. fluorination of tripropylamine are reported. The crude yield was 60%, and the content of perfluorotripropylamine was 68%. The crude product was treated with KOH-EtOH solution, during the process, the unsatd. or H-contg. byproducts disappeared gradually and (C3F7)2NCF:C(OC2H5)CF3 was finally formed. Some H-contg. products, such as (C3F7)2NCHFCF2CF3 and (C3F7)2NCFH2 were separated The residual H atoms were often situated on C atoms adjacent to N; the characteristic of the structures of these byproducts was in agreement with the suggestion that the electrochem. fluorination mainly proceeded according to an ionic (ECbECn) mechanism. Other byproducts were also identified by using preparative gas chromatog., mass spectrometry, NMR, and IR. Under the fluorination conditions, the yield of perfluorotripropylamine was much higher than that reported in the literature.

Key words: TERTIARY AMINE, TERTIARY AMINE, ORGANO FLUORINE COMPOUNDS, PROPANAMINE P, PROPANAMINE P, ELECTROCHEMICAL REACTION, ELECTROCHEMISTRY, FLUORINATION REACTION