期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 348, 期 10-11, 页码 1283-1288出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200606099
关键词
alkynes; arenes; furans; gold; homogeneous catalysis
Nanoparticles of gold supported on nanocrystalline CeO2 catalyse the isomerisation of omega-alkynylfurans to phenols. Initial leaching of gold was observed, which could be minimised by calcining. Subsequent runs showed that once all soluble species had leached, the surface-bound, cationic gold species is still active and can reach turnover numbers of up to 391. This is the first time that a heterogeneous gold catalyst showed activity in the gold-catalysed phenol synthesis.
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