Chemistry of Heterocyclic Compounds p. 915 - 917 (1986)
Update date:2022-08-11
Topics:
Kastron, V.V.
Iovel', I.G.
Skrastyn'sh, I.P.
Gol'dberg, Yu.Sh.
Shimanskaya, M.V.
Dubur, G.Ya.
The classical method for obtaining 2,5-dimethylpyrazine by cyclization of aminoacetone has been improved by use of ammonium persulfate in place of mercuric chloride in the stage of catalytic oxidation of 2,5-dimethyldihydropyrazine.Catalytic vapor phase oxidation of 2,5-dimethylpyrazine gave 5-methylpyrazine-2-aldehyde and pyrazine-2,5-dialdehyde.
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