Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 138, Issue 25, Pages 7864-7867Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.6b04635
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Funding
- MINECO (Spain) [CTQ2013-46362-P, CTQ2013-44844-P]
- MINECO (Spain) (Excellence Unit Maria de Maeztu) [MDM-2015-0538]
- Generalitat Valenciana (Spain) [PROMETEOII/2014/070]
- Ministero dell'Istruzione, dell'Universita e della Ricerca (Italy)
- MINECO
- Universitat de Valencia
- European Research Council
- ERC [335746]
- European Research Council (ERC) [335746] Funding Source: European Research Council (ERC)
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A novel chiral 3D bioMOF exhibiting functional channels with thio-alkyl chains derived from the natural amino acid L-methionine (1) has been rationally prepared. The well-known strong affinity of gold for sulfur derivatives, together with the extremely high flexibility of the thioether arms decorating the channels, account for a selective capture of gold(III) and gold(I) salts in the presence of other metal cations typically found in electronic wastes. The X-ray single-crystal structures of the different gold adsorbates Au-III@1 and Au-I@1 suggest that the selective metal capture occurs in a metal ion recognition process somehow mimicking what happens in biological systems and protein receptors. Both Au-III@1 and Au-I@1 display high activity as heterogeneous catalyst for the hydroalkoxylation of alkynes, further expanding the application of these novel hybrid materials.
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