Allen, Daryl P. and Van Wingerden, Matthew M. and Grubbs, Robert H. (2009) Well-defined silica-supported olefin metathesis catalysts. Organic Letters, 11 (6). pp. 1261-1264. ISSN 1523-7060. https://resolver.caltech.edu/CaltechAUTHORS:20090410-084918871
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Abstract
Two triethoxysilyl-functionalized N-heterocyclic carbene ligands have been synthesized and used to prepare the corresponding second-generation ruthenium olefin metathesis catalysts. These complexes were then grafted onto silica gel, and the resulting materials were efficient heterogeneous catalysts for a number of metathesis reactions. The solid-supported catalysts were shown to be recyclable over a number of reaction cycles, and no detectable levels of ruthenium were observed in reaction filtrates (ruthenium concentration of filtrate <5 ppb).
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| Additional Information: | © 2009 American Chemical Society. Received January 5, 2009. We gratefully acknowledge financial support from DOE Grant No. DE-FG02-08ER15933 to R.H.G. and to NSERC of Canada for a postdoctoral fellowship to D.P.A. Supporting Information Available: Experimental procedures and characterization data for new compounds and all procedures for catalytic studies. | |||||||||
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| Issue or Number: | 6 | |||||||||
| Record Number: | CaltechAUTHORS:20090410-084918871 | |||||||||
| Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20090410-084918871 | |||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
| ID Code: | 13918 | |||||||||
| Collection: | CaltechAUTHORS | |||||||||
| Deposited By: | Tony Diaz | |||||||||
| Deposited On: | 17 Jul 2009 23:57 | |||||||||
| Last Modified: | 03 Oct 2019 00:45 |
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