Nanocrystalline MgO as a Dehydrohalogenation Catalyst Научная публикация
Журнал |
Journal of Catalysis
ISSN: 0021-9517 , E-ISSN: 1090-2694 |
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Вых. Данные | Год: 2002, Том: 206, Номер: 1, Страницы: 40-48 Страниц : 9 DOI: 10.1006/jcat.2001.3474 | ||||
Ключевые слова | Chlorobutane, Dehydrohalo-genation, MgO, Nanoparticles | ||||
Авторы |
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Организации |
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Информация о финансировании (2)
1 | Российский фонд фундаментальных исследований | 00-15-97440 |
2 | United States Army Research Laboratory |
Реферат:
Nanocrystalline MgO has been found to be an efficient dehydrohalogenation catalyst. Its reaction with different chlorobutane isomers or 1-bromobutane results in topochemical transformation of the MgO phase to MgCl2 or MgBr2 accompanied by a sharp decrease in the catalyst surface area and increase in its activity. The resulting magnesium chloride and magnesium bromide are very active catalysts for HCl and HBr elimination from halogenated hydrocarbons. The reaction mechanism changes from predominantly E2 elimination on MgO to mostly E1 elimination over MgCl2 and MgBr2, which act as Lewis acids. It was also found that MgBr2 could be completely converted back to MgO by calcination in oxygen at 500°C while MgCl2 oxidation did not occur under similar conditions.
Библиографическая ссылка:
Mishakov I.V.
, Bedilo A.F.
, Richards R.M.
, Chesnokov V.V.
, Volodin A.M.
, Zaikovskii V.I.
, Buyanov R.A.
, Klabunde K.J.
Nanocrystalline MgO as a Dehydrohalogenation Catalyst
Journal of Catalysis. 2002. V.206. N1. P.40-48. DOI: 10.1006/jcat.2001.3474 WOS Scopus РИНЦ
Nanocrystalline MgO as a Dehydrohalogenation Catalyst
Journal of Catalysis. 2002. V.206. N1. P.40-48. DOI: 10.1006/jcat.2001.3474 WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 10 мая 2001 г. |
Принята к публикации: | 21 нояб. 2001 г. |
Опубликована в печати: | 15 февр. 2002 г. |
Опубликована online: | 25 мая 2002 г. |
Идентификаторы БД:
Web of science | WOS:000174003200005 |
Scopus | 2-s2.0-0036352083 |
РИНЦ | 14243232 |
Chemical Abstracts | 2002:112649 |
Chemical Abstracts (print) | 136:401384 |
OpenAlex | W2143441088 |