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 language | English |
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| Title of host publication | Abstracts of Papers, 226th ACS National Meeting, New York, NY, United States, September 7-11, 2003 (2003) |
| Place of Publication | New York, NY, United States, |
| Publisher | American Chemical Society |
| Pages | INOR-592 |
| Publication status | Published - 2003 |
| Event | 226th ACS National Meeting - New York, United States Duration: 7 Sept 2003 → 11 Sept 2003 |
Conference
| Conference | 226th ACS National Meeting |
|---|---|
| Country/Territory | United States |
| City | New York |
| Period | 7/09/03 → 11/09/03 |
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