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ChemicalBook CAS DataBase List 2,5-Dimethyl pyrazine
123-32-0

2,5-Dimethyl pyrazine synthesis

12synthesis methods
By the interaction of acrolein and ammonia when heated in glycerol in the presence of ammonium salts; by self-condensation of aminoacetone, followed by oxidation with mercury chloride.
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Yield:123-32-0 87%

Steps:

S.10 SPECIFIC EXAMPLE 10

SPECIFIC EXAMPLE 10 Harshaw Cu-1184 catalyst (containing Cu-Cr-Ba) was subjected to a reaction as described in Example 9 except that the reaction temperature was 270°C. An 87% yield of 2,5-dimethylpyrazine was obtained with 99% conversion of 1-amino-2-propanol.

References:

EP363532,1990,A1

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