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Self-assembled ionic composites of negatively charged Zn(salen) complexes and triphenylmethane derived polycations as recyclable catalysts for the addition of CO2 to epoxidesстатья
Статья опубликована в высокорейтинговом журнале
Информация о цитировании статьи получена из
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 5 декабря 2018 г.
- Авторы: Kuznetsova Svetlana, Rulev Yuri, Larionov Vladimir, Smol’yakov Alexander, Zubavichus Yan, Maleev Victor, Han Li, North Michael, Saghyan Ashot, Belokon Yuri
- Журнал: ChemCatChem
- Том: 11
- Номер: 1
- Год издания: 2019
- Издательство: WILEY-VCH
- Местоположение издательства: INC, 605 THIRD AVE, NEW YORK, USA, NY, 10158-0012
- Первая страница: 511
- Последняя страница: 519
- DOI: 10.1002/cctc.201800908
- Аннотация: The design and synthesis of a novel type of self‐assembled ionic composites composed of negatively charged Zn(salen) complexes and triphenylmethane derived polycations is reported. These composites were applied as easily recyclable catalysts for carbon dioxide addition to epoxides. The composites functioned as bifunctional catalysts which could be easily separated and recycled by precipitation from the reaction mixture upon addition of tetrachloromethane. The same batch of the catalyst could be employed for, at least, five runs with its catalytic properties improving as it was reused. A fully heterogeneous system was also prepared by cross‐linking leuco dye with para‐dibromoxylene and adding to it calculated amounts of Zn(salen) complex. The heterogeneous system was catalytically competent in the reaction between styrene oxide and carbon dioxide and its activity also increased on its reuse.
- Добавил в систему: Ларионов Владимир Анатольевич
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