期刊
CHEMCATCHEM
卷 7, 期 16, 页码 2501-2507出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/cctc.201500508
关键词
carbenes; copper; cycloaddition; homogeneous catalysis; hydrosilylation
资金
- MINECO/FEDER [CSD2009-00050, CTQ2013-42532-P]
- DGA/FSE (group E07)
The copper(I) complexes [Cu(X){2,6-diisopropylphenyl-NHC-(CH2)(3)Si(OiPr)(3)}] (X=Cl (2a); I (2b), NHC=N-heterocyclic carbene) have been synthesized and characterized. Furthermore, the structure of 2b has been confirmed by X-ray diffraction studies. Complex 2a has been successfully anchored in MCM-41 to afford 2-MCM-41. The activity of both the homogeneous, 2a, and heterogeneous, 2-MCM-41, catalysts in acetophenone hydrosilylation with HSiEt3 and [3+2] cycloaddition of benzyl azide and phenylacetylene has been investigated. The heterogeneous catalyst exhibits catalytic activity for the cycloaddition reaction though, unexpectedly, shows no catalytic activity for hydrosilylation.
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