Sciact
Toggle navigation
  • EN
  • RU

Разделы:

  • Статьи
  • Книги
  • Доклады на конференциях
  • Тезисы докладов
  • Патенты

Heteropoly Acids as Oxidation Catalysts in Synthesis of K-Vitamins Научная публикация

Общее Язык: Английский, Жанр: Статья (Full article),
Статус опубликования: Опубликована, Оригинальность: Оригинальная
Журнал Journal of Molecular Catalysis A: Chemical
ISSN: 1381-1169
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 Matveev K.I. 1 , Odyakov V.F. 1 , Zhizhina E.G. 1
Организации
1 Институт катализа им. Г.К. Борескова СО РАН

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
Даты:
Опубликована в печати: 23 дек. 1996 г.
Опубликована online: 16 дек. 1999 г.
Идентификаторы:
Web of science WOS:A1996WC26500015
Scopus 2-s2.0-0030599609
РИНЦ 13234147
Chemical Abstracts 1996:737390
Chemical Abstracts (print) 126:89596
Альметрики: