Mesoporous silica nanosphere supported ruthenium catalysts for asymmetric hydrogenation

被引:70
作者
Mihalcik, David J. [1 ]
Lin, Wenbin [1 ]
机构
[1] Univ N Carolina, Dept Chem, Chapel Hill, NC 27599 USA
关键词
asymmetric catalysis; heterogeneous catalysis; hydrogenation; mesoporous materials; ruthenium;
D O I
10.1002/anie.200705656
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
(Chemical Equation Presented) Chiral Ruthenium-diphosphine-diamine complexes with a siloxy pendant are grafted onto mesoporous silica nanospheres. The resulting supported ruthenium catalysts are highly active for the asymmetric hydrogenation of aromatic ketones to afford chiral secondary alcohols and racemic aryl aldehydes to give chiral primary alcohols (see scheme). This immobilization strategy should be amenable to the design of similar heterogeneous catalysts. © 2008 Wiley-VCH Verlag GmbH & Co. KGaA.
引用
收藏
页码:6229 / 6232
页数:4
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