Abstract
Vanadyl α-and β-polyphosphates in vapor phase oxidation of 2-methylpyridine show comparable activity and selectivity to the formation of pyridine-2-carboxaldehyde as traditional vanadium-molybdeum oxide catalysts. A redox mechanism for the reaction of 2-methylpyridine oxidation on vanadyl polyphosphates is suggested with interaction between 2-methylpyridine and oxygen of the catalyst lattice as the rate-determining step.
Abstract
α-и β-полифосфаты ванадила по активности и селективноти в реакции порофазного окисления 2-метилпиридина сопоставимы с традиционными ванадий-молибден-окисными катализаторами. Предполагается окислительно-восстановительный механизм реакции окисления 2-метилпиридина на полифосфатах ванадила. Лимитирующая стадия-взаимодействие 2-метилпиридина с кислородом катализатора.
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Nadezhdina, M.I., Orbidane, O.V., Skolmeistere, R.A. et al. Vapor phase oxidation of 2-methylpyridine on vanadyl polyphosphates. React Kinet Catal Lett 20, 63–67 (1982). https://doi.org/10.1007/BF02063586
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DOI: https://doi.org/10.1007/BF02063586