4-Chloro-6-methoxy-7- cinnoline

Illuminati and co-workers have recently reported additional data on the effects of benzo-ring substituents on the rate of methoxy-dechlorination of quinolines, quinoxalines, and cinnolines the accelerations and decelerations reflect the decreases and increases in activation energy. Both 6- and 7-chloro groups increase the rate (by 6- and... 

The fluorescence and phosphorescence of quinazoline, 6-chloro-4-phenyl-and 6-chloro-l-methyl-4-phenylquinazolin-2(lH)-one were recorded in ethanol containing 1% of concentrated sulfuric acid. The luminescence of these compounds on thin-layer chromatography (TLC) plates saturated with ethanol was reported. 4-Morpholino- and 4-piperidino-6-methoxy-2-phenyl-quinazoline also have luminescent properties, and the ultraviolet fluorescence in the crystals and in hexane or benzene solution was discussed. The time and wavelength resolved emission from quinazoline vapor at low pressures was studied with a pulsed frequency double-dye laser and were compared with those of quinoxaline and cinnoline. ... 

Methoxy-7-(2-methoxyethoxy)-4(lfl)-cinnolinone (20) gave 4-chloro-6-meth-oxy-7-(2-methoxyethoxy)cinnoline (21) (SOCI2, Me2NCHO, 80°C, 2h ... 

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