Ethanolamine → 2-Carboxy-5-methylpyrazine 4-oxide ethanolamine salt

Beteiligte Stoffe

Reaktionsschritte

2-Carboxy-5-methylpyrazine 4-oxide (2.5 g) was added to methanol (60 ml) and ethanolamine (1.1 ml). The mixture was refluxed for 20 minutes, then cooled and filtered to obtain 2-carboxy-5-methylpyrazine 4-oxide ethanolamine salt (2.1 g), m.p. 177°-180° C, after crystallisation from methanol.

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