One-step synthesis of 2,6-lutidine from acetone, ammonia and methanol. Choice of catalyst and reaction conditions |
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Authors: | Francesco P. Vatti and Lucio Forni |
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Affiliation: | (1) Dipartimento di Chimica Fisica ed Electtrochimica, Universitá di Milano via Golgi 19, I-20133 Milano, Italy |
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Abstract: | A screening and optimization procedure carried out on more than 40 different oxide mixtures showed that amorphous silica-alumina (7525 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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