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Electrochemical fluorination of aromatic compounds in liquid R4NF·MHF—Part II. Fluorination of di- and tri-fluorobenzenes

✍ Scribed by Kunitaka Momota; Katsuya Kato; Masayuki Morita; Yoshiharu Matsuda

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
886 KB
Volume
39
Category
Article
ISSN
0013-4686

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Electrochemical fluorination of aromatic
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Electrochemical fluorination of chlorobenzene (1) in neat Et,NF mHF (Et = C,H, : m = 4.0, 4.45 and 4.7) was carried out on a platinum anode at 2.3 or 2.5 V vs. Ag/Ag' (0.01 M; M = mol dme3). As the primary products, I-chloro-2-fluorobenzene (2) and 1-chloro-4-fluorobenzene (3) were obtained, whose

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A series of new electrolytes, R,NF.mHF (R: CH,, C,H, and n-C,H,, m > 34, has been utilized for electrochemical fluorination of organic compounds. These electrolytes are non-viscous liquids at room temperature, and have high electrolytic conductivity and high electrochemical stability. The electrolys

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The formation mechanism of 1,4\_difluorobenzene (5) has been studied during the electrolyses of chlorobenzene (l), I-chloro-4-fluorobenzene (2), bromobenzene (3) and 1-bromo-4-fluorobenzene (4) in Et,NF mHF. The mechanism consists of a cathodic dehalogeno-defluorination of 3-chloro-3,6,6trifluoro-1,