Abstract
The catalytic hydrogenation of cyclopentadiene to cyclopentene was investigated under atmospheric pressure and 20°C in liquid phase with palladium carrier catalysts. The reaction was carried out in methanol and toluene in the presence of n-octylcatechol as a polymerization inhibitor. Using 0.56% Pd/Al2 O3, a 100% selectivity of the hydrogenation of cyclopentadiene to cyclopentene was achieved in toluene. In methanol, the selectivity of hydrogenation was lower and a partial polymerization of cyclopentadiene took place.
Abstract
Быио иссиедовано каталитическое гидрирование циклопентадиена в циклопентен при 20° C и атмосферном давлении в жидкой фазе на Pd-катализаторах на носителях. Гидрирование протекало в среде метанола и толуола в присутствии ингибитора полимеризации н-октилпирокатехола. При применении катализатора 0,56% Pd/Al2 O3 в толуоле селективность гидрирования была 100%. В метаноле селективность была ниже, циклопентадиен частично полимеризовался.
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Černeny, L., Vopatová, J. & Ruzička, V. Selective hydrogenation of cyclopentadiene in the liquid phase on palladium catalysts. React Kinet Catal Lett 19, 223–226 (1982). https://doi.org/10.1007/BF02065089
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DOI: https://doi.org/10.1007/BF02065089