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Preparation of Alkyl- and Arylpyrazine A-Oxides by Oxidation

The preparations of some simple alkyl- and arylpyrazine A-oxides by oxidation are summarized in Table IV. 1 (191, 233,625-628,648, 713, 733-743). [Pg.86]

Pyrazine 1-oxide is also conveniently prepared by vacuum distillation of 3-carboxypyrazine 1-oxide at 250° and pyrazine 1,4-dioxide by treating 2-carboxy-pyrazine with hydrogen peroxide in acetic acid (744). [Pg.86]

See other pages where Preparation of Alkyl- and Arylpyrazine A-Oxides by Oxidation is mentioned: [Pg.86]

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Alkyl oxides

Alkyl preparation

Alkylated preparation

By Alkylation

Oxidation preparation

Oxidizer preparation

Preparation of oxides