Direct Carboxylation of Thiophenes and Benzothiophenes with the Aid of EtAlCl<sub>2</sub>

  • Nemoto Koji
    Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University
  • Onozawa Satoru
    Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University
  • Konno Megumi
    Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University
  • Morohashi Naoya
    Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University
  • Hattori Tetsutaro
    Department of Biomolecular Engineering, Graduate School of Engineering, Tohoku University

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  • Direct Carboxylation of Thiophenes and Benzothiophenes with the Aid of EtAlCl₂
  • ChemInform Abstract: Direct Carboxylation of Thiophenes and Benzothiophenes with the Aid of EtAlCl<sub>2</sub>.

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Description

Thiophenes and benzothiophenes bearing alkyl or aryl substituents at the 2- or 3-positions are successfully carboxylated with CO2 with aid of EtAlCl2 to give the corresponding 2- or 3-carboxylic acids in up to 90% yield.

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