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2- Bromo-5,6-dichloro-3-nitropyrazine

Dichloro-3-nitro-2-pyrazinamine (60, R = NH2) gave 2-bromo-5,6-dichloro-3-nitropyrazine (60, R = Br) (Bu CH2ONO, excess CHBr3, reflux, 8 h then more Bu CH2ONO J, reflux, 10 h —50%, crude product mechanism ).1313... [Pg.147]

Bromo-5,6-dichloro-3-nitropyrazine (95) gave 2-chloro-3,5-bis(2-hydrox-yethylamino)-6-nitropyrazine (96) (HOCH2CH2NH2, Et3N, PrOII, <10 —>... [Pg.155]

Acetamido-6-bromo-2-pyrazinecarboxamide 6-Acetamido-5-bromo-2-pyrazinecarboxylic acid 2-Acetamido-5-chloro-3-guanidinocarbonylpyrazine 2-Acetamido-5,6-dichloro-3-nitropyrazine... [Pg.351]

See also in sourсe #XX -- [ Pg.147 ]

See also in sourсe #XX -- [ Pg.147 ]



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