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Host-guest complexes of nitro-substituted N-alkylbenzoaza-18-crowns-6статья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
- Авторы: Dmitrieva S.N., Churakova M.V., Kurchavov N.A., Vedernikov A.I., Freidzon A.Y., Basok S.S., Bagatur'yants A.A., Gromov S.P.
- Журнал: Russian Journal of Organic Chemistry
- Том: 47
- Номер: 7
- Год издания: 2011
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 1101
- Последняя страница: 1114
- DOI: 10.1134/S1070428011070220
- Аннотация: A number of N-alkyl(nitrobenzo)aza-18-crowns-6 in which the nitrogen atom in the macroring is conjugated with the benzene ring were synthesized, and their complexing power was compared with that of model nitro derivatives of benzo-18-crown-6 and N-phenylaza-18-crown-6 using (1)H NMR spectroscopy and DFT/PBE quantum-chemical calculations. The stability constants of the complexes formed by crown ethers with NH(4/+), EtNH(3/+), Li(+), Na(+), and K(+) in CD(3)CN were determined by (1)H NMR titration. The complexing power of N-alkyl(nitrobenzo)aza-18-crowns-6 toward metal and ammonium cation was considerably higher than that of N-(4-nitrophenyl)aza-18-crown-6 and N-alkyl(nitrobenzo)aza-15-crown-5 and was comparable or higher than that of nitrobenzo-18-crown-6.
- Добавил в систему: Громов Сергей Пантелеймонович