Abstract
In this chapter recent developments in catalyst recycling employing thermomorphic ligands based onpolyethylene glycol will be reviewed. The main focus will lie on the hydroformylation of higher olefins.The general principles of thermoregulated phase-transfer catalysis and thermoregulated phase-separable catalysiswill be explained and the use of this recycling technique in hydroformylation catalysis exemplified. Differentsynthetic approaches toward novel polyethylene glycol modified monocyclic phosphites will be evaluated.The performance of new phosphite ligands in the rhodium-catalyzed hydroformylation of 1-octene will be described,and structure–selectivity and structure–activity dependencies will be discussed.
Prof. Dr. B. Drießen-Hölscher deceased on November 16, 2004. Subsequently, theworking group at the university of Paderborn was closed. Questions regarding this text can be adressedto Prof. Dr. Walter Leitner (leitner@itmc.rwth-aachen.de).
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Hermanns, E., Hasenjäger, J., Drießen-Hölscher, B. (2007). PEG-Modified Ligands for Catalysis and Catalyst Recycling in Thermoregulated Systems. In: Leitner, W., Hölscher, M. (eds) Regulated Systems for Multiphase Catalysis. Topics in Organometallic Chemistry, vol 23. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3418_2006_061
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DOI: https://doi.org/10.1007/3418_2006_061
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