4-Chloro-3-cinnolinecarboxylic acid

Other 1,2-diazines synthesized included 4-amino-3-cinnolinecarboxylic acids <97PHA91 >, I -aryl-6-chloro-l,4-dihydro-4-oxothieno[2,3-c]pyridazine-3-carboxylic acids <97JPR284>, 2H-benzo[2,3-g]pyridazino[4,5-<7,e]quinolin-3-ones <97M681>, 3-chloro-4-carbamoyl-5-aryl-6-methylpyridazine N-oxides <97F67>, 2-aroyl-6-(hetero substituted)-3(2//)-pyridazinones <97HCM267>, and 5-(4-hydroxycinnolin-3-yl)tetrazoles 2-methyl-5-(4-acetoxycinnolin-3-yl)-... [Pg.253]

Chloro-6-fluoro-1 -methyl-4-oxo-1,4-dihydro-3-cinnolinecarboxylic acid (40, R = Me) gave 6-fluoro-l-methyl-4-oxo-7-(piperazin-l-yl)-l,4-dihydro-3-cin-nolinecarboxylic acid (41, R = Me) [HN(CH2CH2)2NH, pyridine, 85°C, 45 min 91%] analogs likewise." ... [Pg.51]

The Co(II), Ni(II), Fe(II), and Cu(II) complexes of 4-amino-3-cinnoline-carboxylic acid and 4-amino-7-chloro-6-fluoro-3-cinnolinecarboxylic acid have been prepared and characterized. ... [Pg.90]

Ethyl (5, R = Et) or methyl 7-chloro-6-fluoro-l-p-fluorophenyl-4-oxo-l,4-di-hydro-3-cinnolinecarboxylate (5, R = Me) gave 7-chloro-6-fluoro-l-p-fluoro-phenyl-4-oxo-l,4-dihydro-3-cinnolinecarboxylic acid (KOH, MeOH, H2O, 50°C 20°C, 2h 96% or 82%, respectively). ... [Pg.96]

Chloro-6-fluoro-l-methyl-4-oxo-l,4-dihydro-3-cinnolinecarboxylic acid 214-215, IR, MS, NMR 416... [Pg.357]

Chloro-8-nitro-4-oxo-1,4-dihydro-3-cinnolinecarboxylic acid 8-Chloro-6-nitro-4-oxo-1,4-dihydro-3-cinnolinecarboxylic acid 6-Chloro-3-nitro-4-phenoxycinnoline... [Pg.359]

Big Chemical Encyclopedia

Chemical substances, components, reactions, process design ...