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Immobilization of Optically Active Olefins on the Silica Surface by Combined Hydrosilylation and Sol–gel Technology

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Abstract

By means of hydrosilylation reactions between functional olefins and triethoxysilane in the presence of Speier's catalyst and sol-gel transformations of the reaction products, a number of optically active and complexing alkenes (quinine, quinidine, cinchonine, cinchonidine, alprenolol, N-allylrhodanine and hemin) were immobilized on the surface of silica. The structures of the compounds formed and the nature of their bonding with the surface were studied by DRIFT and NMR spectroscopies. The concentrations of olefins anchored to the surface layer of the silica matrix were estimated by UV spectroscopy.

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Tertykh, V.A., Yanishpolskii, V.V., Bereza, L.V. et al. Immobilization of Optically Active Olefins on the Silica Surface by Combined Hydrosilylation and Sol–gel Technology. Journal of Thermal Analysis and Calorimetry 62, 539–544 (2000). https://doi.org/10.1023/A:1010135524460

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  • DOI: https://doi.org/10.1023/A:1010135524460

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