A 60 Annelation of the thiazole ring to 1,2,4-triazines by tandem AN—AN or SNH—SNH reactions [Electronic resource] / N. N. Mochul`skaya, A. A. Andreiko, M. I. Kodess, E. B. Vasil'eva, V. I. Filyakova, A. T. Gubaidullin, I. A. Litvinov, O. G. Sinyashin, G. G. Aleksandrov, V. N. Charushin // Russian Chemical Bulletin (Translation of Izvestiya Akademii Nauk, Seriya Khimicheskaya). - 2004. - Vol. 53, № 6. - P1279-1289 Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: The reactions of 3-aryl-1,2,4-triazines with aromatic thioamides and 4-arylthiosemicarbazides in acetic anhydride at room temperature afforded cyclic products of the tandem nucleophilic addition reactions, viz., tetrahydrothiazolo[4,5-e]-annelated 1,2,4-triazines, in good yields. The latter underwent aromatization in the presence of potassium permanganate \\\\Expert2\\nbo\\Russian Chemical Bulletin\\2004, 53 (6), 1279.pdf |