Pyridazino quinoline compounds

• Main Authors: R. B. SPARKS, T. M. BARE, J. R. EMPFIELD
• Format: Patent
• Language: English
• Published: 18.12.1996
• Edition: 6
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS

(4,5-b)quinoline-1,10-dione derivs. and tricyclic hetero-fused pyridazino-pyridine analogues of formula (I) and their salts and tautomers are new, including B-ring tautomers or reduced derivs. of formula (I'):Z = O, S or NH; Z1 = H, OH, SH or NH2; ring A = ortho-fused phenyl, pyridyl, furyl,etc...