R 30 Reactions of N-aminoquinolones with ketones - a new approach to the synthesis of tricyclic 6-fluoro-4-oxo-1,4-dihydroquinoline-3-carboxilic acids [Electronic resource] / O. N. Chupakhin, Y. A. Azev, S. G. Alexeev, S. V. Shorshnev, E. Tsoi, V. N. Charushin // Mendeleev Communications. - 1992. - Vol. 2, N 4. - P151-153 . - ISSN 0959-9436 Рубрики: ХИМИЧЕСКИЕ НАУКИ Аннотация: Reactions of 7-(X)-substituted ethyl 1-amino-4-oxo-1,4-dihydroquinoline-3-carboxilates (1a-c; X=F, Cl and 4-methylpiperazin-1-yl) with mono- and di-ketones have been studied. Treatment of 1a; X=F with cyclohexanone and cyclopentanone in acetic acid resulted in the corresponding azomethynes \\\\expert2\\nbo\\Mendeleev Communications\\1992, v.2, N 4. p.151.pdf |