| 摘要 |
A process for the preparation of an alkyl pyrazine which comprises refluxing or refluxing with simultaneous sublimation of a mixture of an acyloin having the general formula: <CHEM> wherein R1 and R2 are either both methyl radicals or R1 is hydrogen and R2 is a saturated or unsaturated alkyl radical containing from 1 to 10 carbon atoms and an ammonium salt in water and isolating the product. <IMAGE>
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