Thiophene-2,5-dicarboxylic acid bis-aryl
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Metin KoparΔ±r; Ahmet CansΔ±z; Ahmet Γetin
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Article
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2005
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John Wiley and Sons
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English
β 61 KB
A base-catalyzed condensation of diacetamido sulfides [(RNHCOCH 2 ) 2 S)] with glyoxal affording thiophene-2,5-dicarboxylic acid bis-aryl-(alkyl)amides has been accomplished under mild conditions. Excellent results were readily obtained when R was a substituted 3-nitrophenyl, 4-nitrophenyl, 4chlorop