Journal
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A
Volume 92, Issue 4, Pages 663-668Publisher
MAIK NAUKA/INTERPERIODICA/SPRINGER
DOI: 10.1134/S0036024418040106
Keywords
catalysis; hydrogenation of anthracene; dehydrogenation of perhydroanthracene
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The hydrogenation of anthracene on a heterogeneous catalyst containing 3 wt % Pt/C (Aldrich) at 215, 245, and 280A degrees C and the pressures of 40 and 90 atm is studied. The hydrogenation of anthracene to a completely hydrogenated product is considered in detail. The final product (perhydroanthracene) consists of five conformational isomers with total selectivity of more than 99%. The ratio of perhydroanthracene isomers in the end product is shown to be determined by the conditions (P, T) of hydrogenation. The rate of hydrogenation is found to slow upon an increase in the degree of benzene ring saturation. A mixture of perhydroanthracene isomers is dehydrogenated in an autoclave at 260-325A degrees C on 3 wt % Pt/C catalyst (Aldrich) and in a flow reactor at 300-360A degrees C on 3 wt% Pt/Sibunit catalyst. The reactivity of perhydroanthracene isomers in dehydrogenation is shown to differ.
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