期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 20, 期 14, 页码 3903-3907出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201304680
关键词
catalysis; gold(I); heteropolyacids; polyoxometalates; propargyl gem-diesters
资金
- CNRS
- French Ministry of Research
- Agence Nationale de la Recherche [ANR-11-JS07-001-01 SyntHetAu]
Gold(I)-polyoxometalate hybrid complexes 1-4 ([PPh3AuMeCN](x)H4-xSiW12O40, x=1-4) were synthesized and characterized. The structure of the primary gold(I)-polyoxometalate 1 (x=1) was fully ascertained by XRD, FTIR, P-31 and Si-29 magic-angle spinning (MAS) NMR, mass spectroscopy, and SEM-energy dispersive X-ray spectroscopy (EDX) techniques. Moreover, this complex exhibited better catalytic activity and selectivity compared with standard, homogeneous, gold catalysts in the new rearrangement of propargylic gem-diesters.
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