Вид документа : Статья из журнала Шифр издания : 54/S 73 Автор(ы) : Sosnovskikh V. Ya., Moshkin V. S., Kodess M. I. Заглавие : A reinvestigation of the reactions of 3-substituted chromones with hydroxylamine. Unexpected synthesis of 3-amino-4H-chromeno[3,4-d]isoxazol-4-one and 3-(diaminomethylene)chroman-2,4-dione Место публикации : Tetrahedron Letters. - 2008. - Vol. 49, № 48. - С. 6856-6859 ББК : 54 Предметные рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: Reactions of 3-substituted chromones (3-formylchromone, 3-formylchromone-3-oxime, and 3-cyanochromone) with hydroxylamine in alkaline medium were reinvestigated, and a proof of structures and a probable reaction pathway are presented. Syntheses of 2-aminochromone-3-carboxamide, 3-amino-4H-chromeno[3,4-d]isoxazol-4-one, and 3-(diaminomethylene)chroman-2,4-dione were developed Держатели документа: Центральная научная библиотека УрО РАН Доп.точки доступа: Moshkin, V. S.; Kodess, M. I.; Кодесс Михаил Исаакович