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- W2086043874 endingPage "116" @default.
- W2086043874 startingPage "107" @default.
- W2086043874 abstract "Organic–inorganic hybrid silica materials were prepared by modification through reaction with various chloroorganohydrosilanes. The resulting precursors bearing surface methyl or phenyl groups were further reacted with PdCl2 solution to deposit Pd through reduction with surface Si–H functions. The Pd-on-silica catalysts thus prepared were characterized by physical methods (BET, H2 chemisorption, TEM, MAS NMR). The catalysts are active and highly selective in the Heck coupling with aromatic iodo and activated bromo compounds. Surface functional groups were found to affect catalyst activity. Leaching of Pd was detected, however, Pd species in solution do not appear to promote the reaction under the conditions applied. The performance of these new catalysts in recycling studies are found to be comparable to that of commercial Pd-on-carbon, which is considered to be one of the best heterogeneous catalyst." @default.
- W2086043874 created "2016-06-24" @default.
- W2086043874 creator A5006686653 @default.
- W2086043874 creator A5022164075 @default.
- W2086043874 creator A5076825944 @default.
- W2086043874 creator A5081495980 @default.
- W2086043874 date "2005-03-01" @default.
- W2086043874 modified "2023-09-24" @default.
- W2086043874 title "Heck coupling by Pd deposited onto organic–inorganic hybrid supports" @default.
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- W2086043874 doi "https://doi.org/10.1016/j.molcata.2004.11.011" @default.
- W2086043874 hasPublicationYear "2005" @default.