Phosphorus containing silsesquioxanes - new opportunities for homogeneous catalysis

J.I. Vlugt, van der, J. Ackerstaff, M.M.P. Grutters, R.W.J.M. Hanssen, T.W. Dijkstra, H.C.L. Abbenhuis, D. Vogt

Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

Abstract

Silsesquioxanes have attracted considerable interest as sol. mol. models for silica supported catalysts. They have also been used as nano-scaled scaffolds for immobilized homogeneous catalysts. Research on homogeneous catalysis is largely dominated by phosphorus ligands, with extensive attention for new, easily accessible and modular backbones as well as tailor-made properties for specific transformations. We have set out to combine these two fields and explore the possibilities and synthetic strategies to synthesize sterically constrained, silsesquioxane based, mono- and bidentate phosphites and phosphinites. In order to understand the influence of the silsesquioxane framework on the coordination behavior of these novel P-contg. ligands, we studied their complexation with various transition metals, such as palladium, platinum, molybdenum and rhodium. The resulting complexes were characterized by NMR spectroscopy and by X-ray crystallog. Detailed results will be presented on the various aspects of these novel and attractive ligands, including preliminary catalytic results. [on SciFinder (R)]
Original languageEnglish
Title of host publicationAbstracts of Papers, 226th ACS National Meeting, New York, NY, United States, September 7-11, 2003 (2003)
Place of PublicationNew York, NY, United States,
PublisherAmerican Chemical Society
PagesINOR-592
Publication statusPublished - 2003
Event226th ACS National Meeting - New York, United States
Duration: 7 Sep 200311 Sep 2003

Conference

Conference226th ACS National Meeting
CountryUnited States
CityNew York
Period7/09/0311/09/03

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