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Regioselective H/D Exchange of Propane on Zn/H-MFI Zeolite Научная публикация

Журнал Catalysis Letters
ISSN: 1011-372X , E-ISSN: 1572-879X
Вых. Данные Год: 2007, Том: 114, Номер: 1-2, Страницы: 85-90 Страниц : 6 DOI: 10.1007/s10562-007-9044-6
Авторы Stepanov A.G. 1 , Arzumanov S.S. 1 , Parmon V.N. 1 , Kolyagin Y.G. 2 , Ivanova I.I. 2 , Freude D. 3
Организации
1 Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk 630090, Prospekt Akademika Lavrentieva 5, Russian Federation
2 Department of Chemistry, Moscow State University, Moscow 119992, Lenin Hills 1, Russian Federation
3 Abteilung Grenzflächenphysik, Universität Leipzig, Leipzig 04103, Linnéstraße 5, Germany
Реферат: The hydrogen exchange for propane-d8 adsorbed on zeolite Zn/H-MFI has been studied by1H MAS NMR spectroscopy in situ within the temperature range of 420–490 K. Kinetic measurements of the H/D exchange between the acidic hydroxyl groups of the zeolite and the adsorbed deuterated propane molecules show that only methyl groups of the alkane are involved in the exchange. Two mechanisms are proposed to rationalize the regioselectivity of the exchange: (i) propane dehydrogenation on Zn-sites followed by protonation of propene by acidic OH groups in accordance to the Markovnikov’s rule and abstraction of deuteride ion from another propane molecule; (ii) the reversible heterolytic dissociative adsorption of propane to form Zn-propyl species and acidic OH groups.
Библиографическая ссылка: Stepanov A.G. , Arzumanov S.S. , Parmon V.N. , Kolyagin Y.G. , Ivanova I.I. , Freude D.
Regioselective H/D Exchange of Propane on Zn/H-MFI Zeolite
Catalysis Letters. 2007. V.114. N1-2. P.85-90. DOI: 10.1007/s10562-007-9044-6 WOS Scopus РИНЦ CAPlusCA OpenAlex Sciact
Даты:
Поступила в редакцию: 15 янв. 2007 г.
Принята к публикации: 10 февр. 2007 г.
Опубликована в печати: 1 мар. 2007 г.
Опубликована online: 7 мар. 2007 г.
Идентификаторы БД:
Web of science: WOS:000246082900015
Scopus: 2-s2.0-34247561719
РИНЦ: 13546841
Chemical Abstracts: 2007:465005
Chemical Abstracts (print): 147:52561
OpenAlex: W2062846691
Sciact: 18218
Цитирование в БД:
БД Цитирований
Scopus 37
OpenAlex 37
Альметрики: