期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 351, 期 10, 页码 1575-1585出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.200900098
关键词
cross-coupling; homocoupling; N-heterocyclic carbenes; palladium
A new class of well-defined N-heteroeyclic carbene (NHC)-(cyclopentadiene)palladium chloride complexes such as CpPd(NHC)Cl wasw synthesized from the readily available starting NHIC-palladium(11) chloride dimers. These air-stable, coordinatively saturated NHC-Pd complexes bearing the cyclopentadiene (Cp) unit exhibit high catalytic activity in the room temperature Suzuki-Miyaura and Buchwald-Hartwig cross-coupling reactions involving unactive aryl chlorides as the substrates. In addition, they are found to be extremely efficient catalysts in the deboronation homocoupling of arylboronic acids at room temperature.
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