Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 57, Issue 9, Pages 2455-2458Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201712893
Keywords
carbon dioxide; C-C coupling; iridium; metal basicity; RuBisCO
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Funding
- Deutsche Forschungsgemeinschaft (DFG) [LA2474/31]
- Hungarian Academy of Sciences
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The synthesis of a new iridium(I) complex containing an enamido phosphine anion (dbuP(-)) and its unique reactivity with CO2 is reported. The complex binds two equivalents of CO2 and initiates a highly selective reaction cascade. The reaction leads to the reversible cleavage of CO2 and the enamido ligand as well. Computational analysis points to the existence of a relatively stable Ir-CO2 complex as a reaction intermediate prior to CO2 cleavage, which was confirmed experimentally. The observed transformation resembles several aspects of enzymatic CO2 fixation by RuBisCO.
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