Heterogeneous Catalysts for Halide-Free Carbonylation of Dimethyl Ether Научная публикация
Журнал |
Catalysis Letters
ISSN: 1011-372X , E-ISSN: 1572-879X |
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Вых. Данные | Год: 2002, Том: 80, Номер: 3-4, Страницы: 175-179 Страниц : 5 DOI: 10.1023/A:1015420828251 | ||
Ключевые слова | Cesium salts of polyoxotungstate, Dimethyl ether, Halide-free carbonylation, Methyl acetate, Rhodium | ||
Авторы |
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Организации |
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Реферат:
Acidic cesium salts of 12-tungstophosphoric acid promoted with rhodium, Rh/CsxH3-xPW12O40 (1.5≤x≤2 and Rh≥0.1%), were shown to be novel and effective catalysts for halide-free carbonylation of dimethyl ether (DME) to methyl acetate. The catalysts were characterized by chemical analysis, nitrogen adsorption, XRD, SEM, TGA-DTA and IR spectroscopy. Their behavior may be explained by assuming that (1) activation of the C—O bond in the DME molecule and formation of a metal-alkyl bond occurs in the presence of the strong acid sites and (2) these strong acid sites act in conjunction with Rh carbonyl complexes, which are responsible for CO insertion and acetate formation.
Библиографическая ссылка:
Volkova G.G.
, Plyasova L.M.
, Salanov A.N.
, Kustova G.N.
, Yurieva T.M.
, Likholobov V.A.
Heterogeneous Catalysts for Halide-Free Carbonylation of Dimethyl Ether
Catalysis Letters. 2002. V.80. N3-4. P.175-179. DOI: 10.1023/A:1015420828251 WOS Scopus РИНЦ
Heterogeneous Catalysts for Halide-Free Carbonylation of Dimethyl Ether
Catalysis Letters. 2002. V.80. N3-4. P.175-179. DOI: 10.1023/A:1015420828251 WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 14 авг. 2001 г. |
Принята к публикации: | 21 февр. 2002 г. |
Опубликована в печати: | 1 июн. 2002 г. |
Идентификаторы БД:
Web of science | WOS:000176826200015 |
Scopus | 2-s2.0-0036591642 |
РИНЦ | 13398970 |
Chemical Abstracts | 2002:479283 |
Chemical Abstracts (print) | 138:13912 |
OpenAlex | W33412506 |