| 2,3-二甲基吡嗪和2,3,5-三甲基吡嗪的合成 |
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| 引用本文： | 罗铁军.2,3-二甲基吡嗪和2,3,5-三甲基吡嗪的合成[J].精细化工中间体,1998(1). |
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| 作者姓名： | 罗铁军 |
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| 作者单位： | 湖南化工研究院 |
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| 摘 要： | 在乙醇－苛性钾和氧化物存在下，二氢吡嗪脱氢，生成２，３，５－三甲基吡嗪和２，３－二甲基吡嗪，其收率分别为８１％和７７４％，产品纯度均可达９９％。
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| 关 键 词： | 吡嗪 二氢吡嗪 氧化物 香料 脱氢作用 |
The Synthesis of 2,3-dimethyl- pyrazine and 2,3,5-trimethyl-pyrazine |
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| Affiliation: | Hunan Research Institute of Chemical Industry Changsha 410007 |
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| Abstract: | 2,3-dimethyl-pyrazine and 2,3,5-trimethyl pyrazine was synthezed by dehydrating of dihydropyrazine under the presence of alcohol, potassium hydroxide and some oxides. The recovery was 81% and 77.4%, product purity was all 99%. |
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| Keywords: | pyrazine dihydropyrazine oxide perfumery |
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