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- W1973674310 abstract "In 3-Acylpyridine läßt sich durch Minisci-Reaktion mit Formamiden, Fe(II)-sulfat und tert-Butylhydroperoxid gezielt in die 6-Position eine Carboxamidgruppe einführen. Die Aufarbeitung wird durch Zugabe von Citronensäure als Komplexbildner für Eisenionen wesentlich verbessert. Durch anschließende Wolff-Kishner-Reduktion erhält man direkt Fusarinsäure und andere 5-Alkyl-2-pyridincarbonsäuren in 20–75% Ausbeute über beide Schritte. A New Simple Synthesis of Fusaric Acid and Other 5-Alkyl-2-pyridinecarboxylic Acids Carboxamido groups are introduced into the 6-position of 3-acylpyridines with high regioselectivity via Minisci reaction with formamides, Fe(II) sulfate and tert-butul hydroperoxide. The isolation procedure is considerably improved by the addition of citric acid for complexation of the Fe ions. Fusaric acid and other 5-alkyl-2-pyridine carboxylic acids are obtained by a following Wolff-Kishner reaction in 20–75% overall yield." @default.
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- W1973674310 date "1982-05-17" @default.
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- W1973674310 title "Eine einfache neue Synthese der Fusarinsäure und anderer 5-Alkyl-2-pyridincarbonsäuren" @default.
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- W1973674310 doi "https://doi.org/10.1002/jlac.198219820513" @default.
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