Abstract
A screening and optimization procedure carried out on more than 40 different oxide mixtures showed that amorphous silica-alumina (75∶25 by weight), impregnated with Sb and Cu oxides (10 wt.%) is a convenient catalyst for the title reaction at 650–750 K. During reaction, Sb3+ and Cu2+ ions are slowly reduced to Sb0 and Cu+ or Cu0, respectively. However, a simple treatment in oxygen can easily regenerate the catalyst.
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Vatti, F.P., Forni, L. One-step synthesis of 2,6-lutidine from acetone, ammonia and methanol. Choice of catalyst and reaction conditions. React Kinet Catal Lett 52, 1–12 (1994). https://doi.org/10.1007/BF02129843
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DOI: https://doi.org/10.1007/BF02129843