6- Methoxy-5-nitro-3-phenylquinoxaline

Methoxy-5-nitro-3-phenylquinoxaline gave only 6-methoxy-5-nitro-3-phenyl-quinoxaline 1-oxide (232) (AcOH, 30% H2O2, 80°C, 3 h 81%) 1,3-dimethyl-2(17/)-quinoxalinone 4-oxide (233) was made similarly but in only... [Pg.226]

Methoxy-5-nitro-2,3-diphenylquinoxaline 6-Methoxy-5-nitro-2-phenylquinoxaline 6-Methoxy-5-nitro-3-phenylquinoxaline... [Pg.416]

Phenyl-6-trifluoromethylquinoxaline (229) gave 2-phenyl-6-trifluoromethyl-quinoxaline 4-oxide (230) (HCO2H, 30% H2O2, 50°C, 12 h 85% homologs similarly)6-methoxy- (231, R = OMe) and 6-nitro-3-phenylquinoxaline 1-oxide (231, R = N02), as well as other analogs, were made similarly in... [Pg.226]

Methyl 5-methoxy-6,7-dimethyl-3-oxo-3,4-dihydro-2-quinoxalinecarboxylate Methyl 5-methoxy-6,7-dimethyl-3-oxo-3,4-dihydro-2-quinoxalinecarboxylate 1 -oxide Methyl 3-methoxy-2-quinoxalinecarboxylate 2-Methy l-3-( 1 -methylallyl)quinoxaline 2-Methyl-3-(2-methylallyl)quinoxaline 2-Methyl-3-methylaminomethylquinoxaline 5-Methyl-7-methylamino-8-nitro-2-phenylquinoxaline 5-Methyl-7-methylamino-8-nitro-3-phenylquinoxaline... [Pg.419]

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