Chitosan-silica nanocomposite sorbent for thin-layer chromatography of alkaloidsстатья
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Дата последнего поиска статьи во внешних источниках: 18 июля 2013 г.
Авторы:
Kabulov B.D. ,
Shakarova D.S.,
Shpigun O.A. ,
Negmatov SS
Журнал:
Russian Journal of Physical Chemistry A
Том:
82
Номер:
6
Год издания:
2008
Издательство:
Pleiades Publishing, Ltd
Местоположение издательства:
Road Town, United Kingdom
Первая страница:
924
Последняя страница:
927
DOI:
10.1134/S0036024408060095
Аннотация:
The feasibility of using a chitosan-silica nanocomposite sorbent in thin-layer chromatography of cytisine alkaloid and some of its derivatives was studied. The derivatives were obtained by the reactions of cytisine with aromatic aldehydes containing the -OH, -OCH3, and -Br functional groups as substituents in different benzene ring positions. The separation of cytisine and its derivatives on the chitosan-silica sorbent was more effective than on initial silica gel. The mechanism of chromatographing on the two sorbents was considered; the mobile phase was a 6:1 (v/v) chloroform:methanol mixture. © 2008 Pleiades Publishing, Ltd.
Добавил в систему:
Шпигун Олег Алексеевич