期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 36, 页码 11697-11700出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201806836
关键词
copper; Lewis acid; nitrous oxide; oxidizer; weakly coordinating anions
资金
- National Science Center (Poland) [SONATA UMO-2014/15/D/ST5/02580]
- Foundation for Polish Science (FNP)
- European Union within the ERDF [POIG.02.01.00-14-122/09]
- EU European Regional Development Fund within the Operational Programme Innovative economy for 2007-2013 [POIG.02.02.00-14-024/08-00]
Nitrous oxide is considered a poor ligand, and therefore only a handful of well-defined metal-N2O complexes are known. Oxidation of copper powder with an extreme oxidant, [Ag2I2][An](2) ([An](-)=[Al(OC(CF3)(3))(4)](-)) in perfluorinated hexane leads to Cu-I[An], the first auxiliary ligand-free Cu-I salt of the perfluorinated alkoxyaluminate anion. The compound is capable of forming a stable and crystalline complex with nitrous oxide, Cu(N2O)[An], where the Cu-N2O bond is by far the strongest among all other molecular metal-N2O complexes known. Thorough characterization of the compounds together with the crystal structure of Cu(N2O)[An] complex supported with DFT calculations are presented. These give insight into the bonding in the Cu+-N2O system and confirm N-end coordination of the ligand.
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