Вид документа : Статья из журнала Шифр издания : 54/D 62 Автор(ы) : Kazin N. A., Kvashnin Yu. A., Irgashev R. A., Dehaen W., Rusinov G. L., Charushin V. N. Заглавие : Direct arylalkenylation of furazano[3,4-b]pyrazines via a new C-H functionalization protocol [Электронный ресурс] Место публикации : Tetrahedron Letters. - 2015. - Vol. 56, № 14. - С. 1865-1869 Систем. требования: http://apps.webofknowledge.com/ Примечания : Bibliogr. : p. 1869 (20 ref.). - 18.01.2016 ББК : 54 Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ Ключевые слова (''Своб.индексиров.''): nucleophilic-substitution --derivatives --hydrogen Аннотация: 6-Styryl-5-(het)arylfurazano[3,4-b]pyrazines have been obtained by novel C-H functionalization, which is a particular case of the nucleophilic substitution of hydrogen (S-N(H)). The process is initiated by the Michael addition of morpholine at the C=C double bond of beta-nitrostyrenes, and the subsequent addition of the generated carbanion to C-6 of 5-(het)arylfurazano[3,4-b]pyrazines, followed by elimination of nitrous acid and morpholine. It has been shown that in this case, only beta-nitrostyrenes bearing electron-rich substituents on the aromatic ring are involved in arylalkenylation of furazano[3,4-b]pyrazines Доп.точки доступа: Kazin, N. A.; Kvashnin, Yu. A.; Irgashev, R. A.; Dehaen, W.; Rusinov, G. L.; Русинов Геннадий Леонидович; Charushin, V. N.