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Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Young-Sam Kim0
Hee-Jung Hong0
Sang-Gook Jung0
Woon-Phil Baik0
Date of Patent
April 10, 2007
0Patent Application Number
107158450
Date Filed
November 19, 2003
0Patent Primary Examiner
Patent 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.
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