FIELD: organic chemistry. SUBSTANCE: 2-methyl pyrazin together with ammonia-air mixture is passed through catalyst, molar ratio 2-methyl pyrazin: ammonia and oxygen being 25-50:60-80. The process is carried out at 280-300 C, duration of contact between reaction mixture and catalyst being 0.8-1.1 s. Mentioned above catalyst contains (%): vanadium oxide 3-9, chromium oxide 2-7, antimony oxide 1-3 and aluminium oxide. EFFECT: improves efficiency of method.
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