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New cyclopentadienyl ligands and their use in organometallic chemistry and catalysis

By L. Busetto, M. C. Cassani and R. Mazzoni

Abstract

In the course of our studies concerning the chemistry of new ester-functionalized Cp ligands, we have disclosed a new procedure for the one pot synthesis of a variety of alkoxycarbonylcyclopentadienides Na[CpCO2(CHR)2OH] (1) [R = H, Me, Ph]. These ligands provided a valuable route to novel sandwich and yhalf-sandwich metal complexes. Among these, the rhodium derivatives [Rh[CpCO2(CHR)2OH](L,L)] (2) [R = H, Me, Ph; L,L = 2CO, NBD], have been tested as hydroformylation and hydrogenation catalysts. The presence in the lateral chain of the Cp ligand of an hydroxyl functionality has been exploited to develop a new route for anchoring the rhodium complexes on the surface of suitable dendrimers and polystyrene resins

Topics: ESTER FUNCTIONALIZED CYCLOPENTADIENYL LIGANDS, RHODIUM COMPLEXES, HYDROFORMILATION AND HYDROGENATION, IMMOBILIZATION ON DENDRIMERS AND RESINS
Publisher: 'CICS.NOVA'
Year: 2005
OAI identifier: oai:cris.unibo.it:11585/42255
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