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Synthesis and characterization of zwitterionic carbon dioxide fixing reagents
Authors:Mette Mikkelsen  Mikkel Jørgensen  Frederik C. Krebs
Affiliation:1. Institute of Nano Science and Nano Technology, University of Kashan, P.O. Box 87317-51167, Kashan, IR Iran;2. Department of Chemistry, Faculty of Science, University of Kashan, P.O. Box 87317-51167, Kashan, IR Iran;1. Department of Physics, Manonmaniam Sundaranar University, Tirunelveli 627 012, Tamil Nadu, India;2. Department of Chemistry, Manonmaniam Sundaranar University, Tirunelveli 627 012, Tamil Nadu, India;1. School of Chemical Engineering, University of Science and Technology Liaoning (USTL), Anshan 114051, People’s Republic of China;2. Suzhou Institute of Nano-Tech and Nano-Bionics (SINANO), Chinese Academy of Sciences, Suzhou 215123, People’s Republic of China;1. State Key Laboratory of Electronic Thin Film and Integrated Devices, University of Electronic Science and Technology of China, Chengdu 610054, PR China;2. School of Chemistry and Materials Science, Sichuan Normal University, Chengdu 610068, PR China;3. State Key Laboratory of New Ceramics & Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, PR China
Abstract:The synthesis of three amine-based carbon dioxide fixing reagents is presented. The reagents were designed so that they would be able to bind CO2 reversibly through the formation of the well known carbamates that was stabilized through forming a zwitterion. CO2 fixing experiments were performed with 13CO2 labeling and medium pressure NMR. The experiments showed that two of the three reagents were able to form carbamates and thus bind CO2. In addition we investigated this particular class of molecules for the possible formation of neutrally charged spiro compounds and we show that these did not form under the conditions studied.
Keywords:
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