Anchored homogeneous catalysts: The best of both worlds

被引:0
|
作者
Augustine, R [1 ]
Tanielyan, S [1 ]
Anderson, S [1 ]
Gao, Y [1 ]
Goel, P [1 ]
Mahata, N [1 ]
Nair, I [1 ]
Reyes, C [1 ]
Yang, H [1 ]
Zsigmond, A [1 ]
机构
[1] Seton Hall Univ, Ctr Appl Catalysis, Dept Chem & Biochem, S Orange, NJ 07079 USA
来源
METHODOLOGIES IN ASYMMETRIC CATALYSIS | 2004年 / 880卷
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中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Homogeneous catalysts can be anchored to a number of different support materials using heteropoly acids as the anchoring agents. This technique can be used to anchor preformed complexes thus eliminating the need to modify the ligand to accomplish the 'heterogenization'. These anchored catalysts are stable in a range of solvents with little, if any, loss of the complex during the reaction. They are generally as active and selective as the homogeneous analogs and are particularly effective with the chiral complexes commonly employed today for enantioselective hydrogenations. These catalysts have been used for multiple batch and continuous hydrogenations with TON's of 10,000 and greater and TOF's as high as 650 hr(-1).
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页码:15 / 28
页数:14
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