1,3,4-Oxa(thia)diazino [i,j]-annelated quinolines: a new type of key intermediate in the synthesis of tricyclic fluoroquinolones [Electronic resource] / G. N. Lipunova, E. V. Nosova, V. N. Charushin, L. P. Sidorova, O. M. Chasovskikh // Mendeleev Communications. - 1998. - Vol. 8, № 4. - P131-132 Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: The synthesis of new derivatives of 1,3,4-oxa(thia)diazino[6,5,4-i,j]quinolines, which have a structure that is very similar to the ofloxacin skeleton, by intramolecular cyclizations of ethyl 3-(R-carbonylhydrazino)- and 3-(R-thiocarbonylhydrazino)-substituted 2-polyfluorobenzoyl acrylates, is described?????? \\\\expert2\\nbo\\Mendeleev Communications\\1998, v.8, N 4. p.131.pdf |