Heteropoly Acids as Oxidation Catalysts in Synthesis of K-Vitamins Научная публикация
Журнал |
Journal of Molecular Catalysis A: Chemical
ISSN: 1381-1169 |
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Вых. Данные | Год: 1996, Том: 114, Номер: 1-3, Страницы: 151-160 Страниц : 10 DOI: 10.1016/S1381-1169(96)00313-5 | ||
Ключевые слова | K- vitamins, Mechanism, Mo-V-phosphoric heteropoly acids, Oxidation catalysis, Selectivity, Synthesis | ||
Авторы |
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Организации |
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Реферат:
Mo-V-phosphoric heteropoly acids of the Keggin structure H3 + nPMo12−nVnO40 (HPA-n) and their acidic salts were found to be efficient catalysts for 2-methyl-1-naphthol (MN) oxidation by dioxygen to 2-methyl-1,4-naphthoquinone (menadione, or vitamin K3). The reaction occurs in two steps: (1) HPA-n reduction by MN followed by the product isolation; (2) HPA-n regeneration by dioxygen. For reaction MN + HPA-n, carried out in a two-phase ‘water + organic’ solvent system, it has been studied how the HPA-n composition and reaction conditions affect the HPA-n selectivity and activity. The reaction mechanism and methods of increasing the catalyst selectivity are suggested. The reaction has been used in scope of a new environmentally harmless technology ‘Vikasib’ producing the K-group vitamins.
Библиографическая ссылка:
Matveev K.I.
, Odyakov V.F.
, Zhizhina E.G.
Heteropoly Acids as Oxidation Catalysts in Synthesis of K-Vitamins
Journal of Molecular Catalysis A: Chemical. 1996. V.114. N1-3. P.151-160. DOI: 10.1016/S1381-1169(96)00313-5 WOS Scopus РИНЦ
Heteropoly Acids as Oxidation Catalysts in Synthesis of K-Vitamins
Journal of Molecular Catalysis A: Chemical. 1996. V.114. N1-3. P.151-160. DOI: 10.1016/S1381-1169(96)00313-5 WOS Scopus РИНЦ
Даты:
Поступила в редакцию: | 17 нояб. 1995 г. |
Опубликована в печати: | 23 дек. 1996 г. |
Опубликована online: | 16 дек. 1999 г. |
Идентификаторы БД:
Web of science | WOS:A1996WC26500015 |
Scopus | 2-s2.0-0030599609 |
РИНЦ | 13234147 |
Chemical Abstracts | 1996:737390 |
Chemical Abstracts (print) | 126:89596 |
OpenAlex | W2136538356 |