Catalytic synthesis of 1-arylethylphosphonates by the hydrogenation of unsaturated precursors in the presence of chitosan-based palladium catalysts |
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| Authors: | E. D. Finashina V. I. Isaeva L. M. Kustov N. S. Gulyukina G. N. Bondarenko I. P. Beletskaya |
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| Affiliation: | (1) Zelinskii Institute of Organic Chemistry, Russian Academy of Sciences, Leninskii pr. 47, Moscow, 119991, Russia;(2) Faculty of Chemistry, Moscow State University, Vorob’evy gory 1, Moscow, 119992, Russia |
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| Abstract: | Three-component silica-supported palladium-containing systems based on chitosan were synthesized and studied by scanning electron microscopy. These systems showed catalytic activity in the hydrogenation (including chemoselective hydrogenation) of α,β-unsaturated phosphonic acids and their esters. Modification of chitosan on the silica surface with glutaraldehyde considerably enhances the stability and activity of the catalyst. |
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