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2-Chloro-5,6-diethylpyrazine 1-oxide

Chloro-5,6-diethylpyrazine 1-oxide (219) (K2S2Os, H2S04, 20°C, 24 h 84%) 1250 2-chloro-3-isobutyl-6-methylpyrazine 1-oxide (220) (likewise 78%) 295 and 2-fluoropyrazine 1-oxide (likewise 40%).276... [Pg.226]

Chloro-3,6-diethylpyrazine (119, R = H) gave 2,5-diethyl-3-methylpyrazine (118) [Me3Al, Pd(PPh3)4, dioxane—C6H14, A, reflux, 2 h 88%] 280 2,5-dichloro-3,6-diethylpyrazine (119, R = Cl) gave 2,5-diethyl-3,6-dimethyl-pyrazine (120) (likewise but reflux, 4 h 93%) 280 and many homologues and their TV-oxides were made similarly.280,282... [Pg.97]

Chloro-3,6-diethylpyrazine 1-oxide 2-Chloro-3,6-diethylpyrazine 4-oxide... [Pg.385]

See other pages where 2-Chloro-5,6-diethylpyrazine 1-oxide is mentioned: [Pg.385]    [Pg.385]   
See also in sourсe #XX -- [ Pg.226 ]

See also in sourсe #XX -- [ Pg.226 ]



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2- -3,6-diethylpyrazine

3- Chloro-2,5-diethylpyrazine

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