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Molecules 2005, 10(6), 679-692; doi:10.3390/10060679
Article

Immobilization of Chiral Ferrocenyl Ligands on Silica Gel and their Testing in Pd-catalyzed Allylic Substitution and Rh-catalyzed Hydrogenation

1,*, 1,* , 2 and 3
Received: 15 November 2004 / Accepted: 6 December 2004 / Published: 14 July 2005
(This article belongs to the Special Issue Synthesis and Chemistry of Chiral Metallocenes)
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Abstract

Five different silica gels containing two chiral ferrocenyl ligands were prepared by various synthetic routes and tested in an enantioselective Pd(0)-catalyzed allylic substitution and Rh-catalyzed hydrogenation. All the prepared anchored ligands were characterized by porosimetry data, DRIFTS spectra, thermal data and AAS. The aim of the work was to compare the influence of the carrier, surface properties and immobilization strategy on the performance of the catalyst.
Keywords: Heterogeneous catalysis; ferrocenylphosphane ligands; sol-gel-template method. Heterogeneous catalysis; ferrocenylphosphane ligands; sol-gel-template method.
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Cvengroš, J.; Toma, Š.; Žembéryová, M.; Macquarrie, D.J. Immobilization of Chiral Ferrocenyl Ligands on Silica Gel and their Testing in Pd-catalyzed Allylic Substitution and Rh-catalyzed Hydrogenation. Molecules 2005, 10, 679-692.

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