期刊
ORGANOMETALLICS
卷 29, 期 7, 页码 1832-1838出版社
AMER CHEMICAL SOC
DOI: 10.1021/om100090c
关键词
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资金
- FCT of Portugal [SFRH/BD/28490/2006]
- FEDER [PTDC/QUI/64458/2006]
- MEC of Spain [CTQ2008-04460]
- Bancaixa [P1.1B2007-04]
- Fundação para a Ciência e a Tecnologia [PTDC/QUI/64458/2006, SFRH/BD/28490/2006] Funding Source: FCT
A series of piano-stool ruthenium(II) complexes bearing bidentate cyclopentadienyl-functionalized N-heterocyclic carbene ligands Ru(Cp-X-NHC)(CO)I [Cp = tetramethylcyclopentadienyl (Cp*) and tetrabenzylcyclopentadienyl (Cp-Bz)] have been prepared by the diastereoselective reaction of the imidazolium Cp-X-NHC proligands with [Ru-3(CO)(12)]. The new complexes have been characterized by spectroscopic techniques and X-ray diffraction methods. The enantiopure complexes have been separated by preparative thin-layer chromatography of the diastereomeric mixtures resulting from the reaction of the Ru(Cp-X-NHC)(CO)I compounds with an auxiliary chiral amine. Ru(Cp*-NHC)(CO)I is an efficient catalyst for the isomerization of allylic alcohols both in water and in THF.
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