Journal
ELECTROCHIMICA ACTA
Volume 56, Issue 3, Pages 1529-1534Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2010.06.057
Keywords
Electrosynthesis; Carbon dioxide; 1.3-Diene; Dicarboxylic acid; Adipic acid
Categories
Funding
- National Natural Science Foundation of China [20572027, 20625205, 20772034]
- National Basic Research Program of China (973 Program) [2010CB732206]
- Ministry of Education of China [20090172110014]
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A simple and efficient electrochemical method has been developed for highly regioselective synthesis of unsaturated 1.6-dioic acids from 1,3-dienes and CO2. The electrosynthesis was successfully carried out by using a nickel cathode and an aluminum anode in an undivided cell containing n-Bu4NBr-DMF electrolyte with a constant current under 3 MPa pressure of CO2, and the sole 1.4-addition products were obtained in good to excellent yields. The plausible mechanism for electrodicarboxylation reaction of 1,3-butadiene with CO2 was discussed briefly. In addition, further research shows that 3-hexene-1,6-dioic acid could be easily converted into adipic acid via the electroreduction in the diluted H2SO4 solution. (C) 2010 Elsevier Ltd. All rights reserved.
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