A. Zharmagambetova, S. Mukhamedzhanova, B. Dusenbina
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Catalytic hydrogenation over platinum complexes with poly(vinylpyridine)s
Platinum complexes with poly(vinylpyridine) ligands have been studied as catalysts in the reaction of nitrobenzene and 2-propen-1-ol hydrogenation. Pretreatment of the complexes with NaBH4 causes the reduction of part of platinum into lower valent states (XPS data) and a decrease of catalytic activity of polymer-metal complexes. The structure of polymer ligands and the position of substituents on the pyridine ring of poly(vinylpyridine) have been shown to affect properties of obtained catalysts. A platinum complex with poly(2-methyl-5-vinylpyridine) was active in hydrogenation reaction.
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