Nuclear-chemical synthesis of tritium-labeled phenyl-substituted picoline derivativesстатья
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Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 4 февраля 2014 г.
Авторы:
Shchepina N.E. ,
Avrorin V.V. ,
Badun G.A. ,
Fedoseev V.M. ,
Ukhanov S.E.,
Lewis S.B.
Журнал:
Radiochemistry
Том:
49
Номер:
6
Год издания:
2007
Издательство:
Pleiades Publishing, Inc.
Местоположение издательства:
New York, USA
Первая страница:
630
Последняя страница:
632
DOI:
10.1134/S1066362207060161
Аннотация:
Ion-molecule reactions of free phenyl cations with six-membered nitrogen-containing heterocyclic compounds: α-, β-, and γ-picolines, were studied. Phenyl cations were generated by tritium β-decay in double-labeled benzene. The mechanism of competing reactions of electrophilic addition to the nitrogen heteroatom in the ring and electrophilic substitution of the C-H bond in the pyridine ring was examined. The effect of methyl substituent in the pyridine molecule on the reaction pathway was evaluated. A one-step procedure for nuclear-chemical synthesis of tritium-labeled N-phenylpicolinium salts and phenyl-substituted picolines was developed. © 2007 Pleiades Publishing, Inc.
Добавил в систему:
Бадун Геннадий Александрович