Abstract
Cu-containing layered double hydroxides with different Cu : Al ratios are synthesized by co-precipitation using a mixture of hydroxide and sodium carbonate as a precipitation agent. The influence of the precipitation agent concentration on the formation of the hydrotalcite phase was studied by thermal analysis and X-ray diffraction. The surface of the obtained samples after calcination at 450°C and their subsequent reduction at 300°C in hydrogen, was characterized by X-ray photoelectron spectroscopy and transmission electron microscopy. The synthesized catalysts were tested in the reaction of N-methylation of p-anisidine with methanol in an autoclave reactor to produce N-methyl-p-anisidine. The influence of the Cu : Al ratio in them on the catalytic activity and selectivity was studied.
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Bukhtiyarova, M.V., Nuzhdin, A.L., Kardash, T.Y. et al. N-Methylation of p-Anisidine on the Catalysts Based on Cu-Containing Layered Double Hydroxides. Kinet Catal 60, 343–354 (2019). https://doi.org/10.1134/S0023158419030030
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DOI: https://doi.org/10.1134/S0023158419030030