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Issue 1, 2016
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Carbonic anhydrase mimics for enhanced CO2 absorption in an amine-based capture solvent

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Abstract

Two new small-molecule enzyme mimics of carbonic anhydrase were prepared and characterized. These complexes contain the salen-like ligand bis(hydroxyphenyl)phenanthroline. This ligand is similar to the salen-type ligands previously incorporated into carbonic anhydrase mimics but contains no hydrolyzable imine groups and therefore serves as a promising ligand scaffold for the synthesis of a more robust CO2 hydration catalyst. These homogeneous catalysts were investigated for CO2 hydration in concentrated primary amine solutions through which a dilute CO2 (14%) fluid stream was flowed and showed exceptional activity for increased CO2 absorption rates.

Graphical abstract: Carbonic anhydrase mimics for enhanced CO2 absorption in an amine-based capture solvent

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Publication details

The article was received on 30 Jul 2015, accepted on 13 Nov 2015 and first published on 26 Nov 2015


Article type: Paper
DOI: 10.1039/C5DT02943K
Citation: Dalton Trans., 2016,45, 324-333
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    Carbonic anhydrase mimics for enhanced CO2 absorption in an amine-based capture solvent

    R. A. Kelsey, D. A. Miller, S. R. Parkin, K. Liu, J. E. Remias, Y. Yang, F. C. Lightstone, K. Liu, C. A. Lippert and S. A. Odom, Dalton Trans., 2016, 45, 324
    DOI: 10.1039/C5DT02943K

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