Patents Assigned to Woon-Phil BAIK
  • Processes for preparing of 3,4-alkylenedioxythiophenes and 3,4-dialkoxythiophenes
    Publication number: 20040147765
    Abstract: The present invention relates to a process for preparing 3,4-dialkoxythiophenes or 3,4-alkylenedioxythiophenes in high yield via the rapid decarboxylation of 3,4-dialkoxythiophenedicarboxylic acid or 3,4-aklylenedioxythiophenedicarboxylic acid in a water-miscible polar solvent in the presence of copper catalyst under an oxygen atmosphere.
    Type: Application
    Filed: November 19, 2003
    Publication date: July 29, 2004
    Applicants: Woon-Phil BAIK, Myongji University
    Inventors: Woon-Phil Baik, Young-Sam Kim, Hee-Jung Hong, Sang-Gook Jung