期刊
ORGANOMETALLICS
卷 28, 期 15, 页码 4335-4339出版社
AMER CHEMICAL SOC
DOI: 10.1021/om900358r
关键词
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资金
- MCINN of Spain [CTQ2008-04460]
- Bancaixa [P1.1B2007-04, P1.1A2005-04]
- Serveis Centrals d'Instrumentacio Cientifica (SCIC)
- Universitat Jaume I
A set of three different NHC-Pd-pyridine complexes (NHC = 1,2,4-trimethyltriazolyldiylidene, 1,3-dimethylimidazolylidene, and 1,4-dimethyltriazolylidene have been prepared and fully characterized. The X-ray molecular structures of two of the complexes are reported. The three complexes have been tested in a series of reactions between o-hydroxyaryl halides and phenylacetylene to afford benzofurans, in a tandem process that comprises a Sonogashira coupling followed by a cyclic hydroalkoxylation. All three catalysts afforded excellent yields of the final products when the corresponding iodoarenes were used.
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