Petroleum ChemistryPetroleum ChemistryНефтехимия0028-24213034-5626The Russian Academy of Sciences65564010.31857/S0028242123010094ULBEKMArticlesСтатьиResearch ArticleEpoxidation of Olefins in the Presence of Molybdenum Catalysts based on Porous Aromatic FrameworksЭпоксидирование олефинов в присутствии молибденовых катализаторов на основе пористых ароматических каркасовYarchakV. A.ЯрчакВ. А.yarchakvika@gmail.comKulikovL. A.КуликовЛ. А.petrochem@ips.ac.ruMaksimovA. L.МаксимовА. Лpetrochem@ips.ac.ruKarakhanovE. A.КарахановЭ. Аpetrochem@ips.ac.ruFaculty of Chemistry, Lomonosov Moscow State UniversityМосковский государственный университет имени М.В. ЛомоносоваTopchiev Institute of Petrochemical Synthesis, Russian Academy of SciencesИнститут нефтехимического синтеза им. А. В. Топчиева РАН15022023631NO1 (2023)№1 (2023)10010911022025Copyright ©; 2023, Russian Academy of SciencesCopyright ©; 2023, Российская академия наук2023Russian Academy of SciencesРоссийская академия наукhttps://journals.eco-vector.com/0028-2421/article/view/655640

A porous aromatic framework, namely PAF-30, was structurally modified by the introduction of complexing groups based on dipyridylamine, dipicolylamine, and acetylacetone. The materials synthesized in this manner were used as supports of molybdenum catalysts for epoxidation: PAF-30-dpa-Mo, PAF-30-dpcl-Mo, and PAF-30-AA-Mo. All the materials were examined by various analytic methods, such as IR spectroscopy, low-temperature nitrogen adsorption/desorption, X-ray photoelectron spectroscopy, elemental analysis, and transmission electron microscopy. The catalytic activity was tested in epoxidation of cyclohexene, 1-hexene, 1-octene, and styrene. The reusability of the catalysts was assessed using the case of cyclohexene epoxidation.

Проведена модификация структуры пористого ароматического каркаса PAF-30 комплексообразующими группами на основе дипиридиламина, дипиколиламина и ацетилацетона. Синтезированные таким образом материалы использованы в качестве носителей для молибденовых катализаторов эпоксидирования: PAF-30-dpa-Mo, PAF-30-dpcl-Mo, PAF-30-AA-Mo. Все полученные материалы были охарактеризованы методами ИК-спектроскопии, низкотемпературной адсорбции-десорбции азота, рентгеновской фотоэлектронной спектроскопии, элементного анализа, просвечивающей электронной микроскопии. Активность катализаторов изучена в эпоксидировании циклогексена, гексена-1, октена-1 и стирола. Исследована возможность повторного использования катализаторов на примере эпоксидирования циклогексена.

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