New catalysts and receptors by self-assembly and combinatorial chemistry

New methods that allow the generation of transition metal-based catalysts and receptors are discussed. It is shown that heterobimetallic, halogeno-bridged complexes are well-suited for screening assays in combinatorial catalysis. Metal catalysts with a structurally defined second coordination sphere can be obtained by molecular imprinting with pseudo-substrate conjugates as exemplified by the substrate-, regio- and stereoselective reduction of ketones, catalyzed by immobilized ruthenium and rhodium complexes. Macrocyclic complexes, formed by self-assembly of organometallic complexes, are shown to act as highly specific receptors for small cations and anions.


Published in:
CHIMIA, 58, 4, 181-185
Year:
2004
ISSN:
0009-4293
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Note: The status of this file is: EPFL only


 Record created 2006-02-09, last modified 2018-03-17

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