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The Volhard–Erdmann cyclization is an organic synthesis of alkyl and aryl thiophenes by cyclization of disodium succinate or other 1,4-difunctional compounds (γ-oxo acids, 1,4-diketones, chloroacetyl-substituted esters) with phosphorus heptasulfide. The reaction is named after Jacob Volhard and Hugo Erdmann. An example is the synthesis of 3-methylthiophene starting from itaconic acid:

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  • La cyclisation de Volhard-Erdmann est une synthèse organique de thiophènes alkylé ou arylé par cyclisation de succinate de disodium, ou d'autres composés difonctionnels 1,4 (acides γ-oxo, 1,4-dicétones, esters de ), avec l'. La réaction tient son nom de ses découvreurs, Jacob Volhard et Hugo Erdmann. Ci-dessous, la synthèse du 3-méthylthiophène à partir de l'acide itaconique : (fr)
  • La ciclación de Volhard-Erdmann es una síntesis orgánica de tiofenos de alquilo y de arilo, por ciclación de succinato disódico u otros compuestos 1,4-difuncionales (ácidos γ-oxo, 1,4-dicetonas, ésteres de sustituidos) con heptasulfuro de fósforo. Es llamada así en honor de Jacob Volhard y Hugo Erdmann.​ (es)
  • La ciclizzazione di Volhard-Erdmann è una sintesi organica di aril e alchil tiofeni per ciclizzazione del succinato si sodio o altro composto 1,4-difunzionale (γ-ossiacidi, 1,4-dichetoni, esteri cloroacetil sostituiti) usando eptasolfuro di fosforo. Il nome della reazione deriva da Jacob Volhard e Hugo Erdmann. Un esempio è la reazione di sintesi del 3-metiltiofene a partire dall'acido itaconico: (it)
  • The Volhard–Erdmann cyclization is an organic synthesis of alkyl and aryl thiophenes by cyclization of disodium succinate or other 1,4-difunctional compounds (γ-oxo acids, 1,4-diketones, chloroacetyl-substituted esters) with phosphorus heptasulfide. The reaction is named after Jacob Volhard and Hugo Erdmann. An example is the synthesis of 3-methylthiophene starting from itaconic acid: (en)
  • 福尔哈德-埃德曼环化反应(Volhard-Erdmann cyclization),得名於德国化学家雅各布·福尔哈德及其学生胡戈·埃德曼,指通过丁二酸二钠或其他1,4-双官能团化合物(如γ-酮酸、1,4-二酮、氯乙酰取代的酯)与作用发生环化,合成烃基和芳基噻吩化合物。 例如,从衣康酸合成3-甲基噻吩: (zh)
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  • La cyclisation de Volhard-Erdmann est une synthèse organique de thiophènes alkylé ou arylé par cyclisation de succinate de disodium, ou d'autres composés difonctionnels 1,4 (acides γ-oxo, 1,4-dicétones, esters de ), avec l'. La réaction tient son nom de ses découvreurs, Jacob Volhard et Hugo Erdmann. Ci-dessous, la synthèse du 3-méthylthiophène à partir de l'acide itaconique : (fr)
  • La ciclación de Volhard-Erdmann es una síntesis orgánica de tiofenos de alquilo y de arilo, por ciclación de succinato disódico u otros compuestos 1,4-difuncionales (ácidos γ-oxo, 1,4-dicetonas, ésteres de sustituidos) con heptasulfuro de fósforo. Es llamada así en honor de Jacob Volhard y Hugo Erdmann.​ (es)
  • La ciclizzazione di Volhard-Erdmann è una sintesi organica di aril e alchil tiofeni per ciclizzazione del succinato si sodio o altro composto 1,4-difunzionale (γ-ossiacidi, 1,4-dichetoni, esteri cloroacetil sostituiti) usando eptasolfuro di fosforo. Il nome della reazione deriva da Jacob Volhard e Hugo Erdmann. Un esempio è la reazione di sintesi del 3-metiltiofene a partire dall'acido itaconico: (it)
  • The Volhard–Erdmann cyclization is an organic synthesis of alkyl and aryl thiophenes by cyclization of disodium succinate or other 1,4-difunctional compounds (γ-oxo acids, 1,4-diketones, chloroacetyl-substituted esters) with phosphorus heptasulfide. The reaction is named after Jacob Volhard and Hugo Erdmann. An example is the synthesis of 3-methylthiophene starting from itaconic acid: (en)
  • 福尔哈德-埃德曼环化反应(Volhard-Erdmann cyclization),得名於德国化学家雅各布·福尔哈德及其学生胡戈·埃德曼,指通过丁二酸二钠或其他1,4-双官能团化合物(如γ-酮酸、1,4-二酮、氯乙酰取代的酯)与作用发生环化,合成烃基和芳基噻吩化合物。 例如,从衣康酸合成3-甲基噻吩: (zh)
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  • Ciclación de Volhard-Erdmann (es)
  • Ciclizzazione di Volhard-Erdmann (it)
  • Cyclisation de Volhard-Erdmann (fr)
  • Volhard–Erdmann cyclization (en)
  • 福尔哈德-埃德曼环化反应 (zh)
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