S 98 Synthesis of 5-substituted 8,8-dimethyl-8,9-dihydro-3H,7H-[1,2]oxazino[5,4,3-de]quinolin-3-ones [Electronic resource] / D. A. Rudenko, P. A. Slepukhin, V. I. Karmanov, M. I. Vakhrin, S. N. Shurov, Yu. A. Shchurov // Chemistry of Heterocyclic Compounds. - 2013. - Vol.48, №10. - 1539-1544. Рубрики: ХИМИЧЕСКИЕ НАУКИ Кл.слова (ненормированные): HYDROXYLAMINE -- QUANTUM-CHEMICAL CALCULATIONS -- TETRAHYDROQUINOLINE-4-CARBOXYLIC ACIDS Аннотация: The reaction of 2-substituted 7,7-dimethyl-5-oxo-5,6,7,8-tetrahydroquinoline-4-carboxylic acids with hydroxylamine results in the formation of 5-substituted 8,8-dimethyl-8,9-dihydro-3H,7H-[1,2]ox-azino[5,4,3-de]quinolin-3-ones. The structure of the 5-phenyl derivative has been established by X-ray structural analysis. A possible mechanism of the reaction has been proposed on the basis of nonempirical quantum-chemical calculations \\\\Expert2\\NBO\\Chemistry of Heterocyclic Compounds\\2013, v.48, N 10, p. 1539-1544.pdf |