3- Bromo-5-methyl-2-pyrazinamine

Bromo-5-methyl-2-pyrazinamine 4-oxide (187, R = Br) gave 3-amino-6-methyl-2-pyrazinecarbonitrile 1-oxide (187, R = CN) (CuCN, NaCN, Me2NCHO, 110°C, reflux, 4 h 59%).1508... [Pg.174]

Bromo-5-methyl-6-phenyl-2(l//)-pyrazinone 5-Bromo-6-methyl-3-phenyl-2(l//)-pyrazinone 3-Bromo-5-methyl-2-pyrazinamine 5-Bromo-3-methyl-2-pyrazinamine... [Pg.378]

Bromo-5-methyl-2-pyrazinamine 3-Bromo-5-methyl-2-pyrazinamine 4-oxide 2-Bromo-3-methylpyrazine 2-Bromomethylpyrazine 1,4-dioxide... [Pg.378]

Methyl-2-pyrazinamine 4-oxide (33, R = H) gave 3-bromo-5-methyl-2-pyraz-inamine 4-oxide (33, R = Br) (NBS, Me2SO—H20,15°C, 4 h 79%, initially as a complex).1508... [Pg.143]

Dibromo-2-pyrazinamine (212) and ethyl acetoacetate gave ethyl 2-bromo-6-methyl-5//-pyrrolo[2,3-/ ]pyrazinc-7-carboxylatc (213) (EtONa, Me2NCHO, 90°C, 2 h 45% net).965 Also other examples.349- 53°-1277... [Pg.177]

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