E 43 Electrophilic heterocyclization reactions of allylamino- and propargylamino-substituted sym-tetrazines in the presence of HgI2 / R. I. Ishmetova, I. A. Belyaninova, N. K. Ignatenko, P. A. Slepukhin, G. L. Rusinov, V. N. Charushin // Chemistry of Heterocyclic Compounds. - 2017. - Vol. 53, № 2. - P213-218 Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): 1,2,4,5-TETRAZINES -- ELECTROPHILIC HETEROCYCLIZATION -- IMIDAZO[1,2-B][1, 2, 4, 5]TETRAZINES -- MERCURY(ii) IODIDE -- NUCLEOPHILIC SUBSTITUTION Аннотация: A range of 3-azolyl-6-methylimidazo[1,2-b][1,2,4,5]tetrazines was obtained for the first time by electrophilic heterocyclization of 6-allylamino-3-azolyl- and 3-azolyl-6-propargylamino-1,2,4,5-tetrazines in the presence of HgI2. The structures of the starting materials and final products were confirmed by 1Н and 13С NMR spectroscopy, elemental analysis, and X-ray structural analysis. \\\\Expert2\\NBO\\Chemistry of Heterocyclic Compounds\\2017 v.53 p.213-218.pdf |