Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Synthesis of Unsymmetrically Substituted Benzils via the Friendel-Crafts Reaction of Arenes with α-Chloro-α-(methylthio)acetophenones
Hiroyuki ISHIBASHI, Kiyomi MATSUOKA, Masazumi IKEDA
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Keywords: Firedel-Crafts reaction, benzil, cupric chloride, α-chlorosulfide, Lewis acid, oxidation, β-ketosulfide, α-diketone, chlorination
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1991 Volume 39 Issue 7 Pages 1854-1856

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Abstract
Lewis acid-promoted reactions of arenes with α-chloro-α-(methylthio)acetophenones 6-8 gave the Friedal-Crafts reaction products 9, which were then treated with 3 molar eq of cupric chloride in aqueous acetone to afford the unsymmetrically substituted benzils 10.
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© The Pharmaceutical Society of Japan
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