Dehydrogenative coupling as an efficient route to ferrocene functionalized siloxanes |
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| Authors: | Philip Boudjouk Zoha M.H. AL-Badri |
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| Affiliation: | a Department of Chemistry, Center for Nanoscale Science and Engineering, North Dakota State University Research Park Drive, Fargo, ND 58105-5516, USA
b Department of Chemistry, City University of New York at CSI, 2800, Victory Blvd., Staten Island, New York 10314, USA |
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| Abstract: | Ferrocene grafted siloxanes were prepared in high yields (∼79-97%) via Rh-catalyzed dehydrogenative coupling of a series of monomeric, polymeric, and cyclic hydrosiloxanes with ferrocenemethanol. Wilkinson’s catalyst was the most efficient of those surveyed (Karstedt’s catalyst, H2PtCl6, Co2(CO)8, 10% Pd/C, 10% Pt/C, 5% Rh/C) with respect to yield and selectivity. Benzene and toluene were better solvents than tetrahydrofuran and methylene chloride. |
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| Keywords: | Polymethylhydrosiloxane Silicones Wilkinson&rsquo s catalyst Dehydrogenative coupling Ferrocenemethanol, Tetramethylcyclohydrosiloxane |
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