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α-巯基吡嗪合成方法的改进与1HNMR

Improved Syntheses of α-Mercaptopyrazine and its 1HNMR

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α-巯基吡嗪是一种具有烘烤香气(味)的食用香料.本文对合成方法做了改进,在保护措施下合成了该化合物,测定了所得产物的熔点(分解点),并经1HNMR表征.1HNMR显示了吡嗪环上芳H与-SH中H的吸收,且δ值在经典文献所载范围内.这与过去的有关α-巯基吡嗪的合成文献有较大差异.
The α-mercaptopyrazine is an aroma. It smells of meat by toast and can be applied to food. Its synthitic method was improved and obtained in good yield. The compound was characterized by 1HNMR (deuteriochloroform). The δ of mercapto-hydrogen(-SH) is different from some published literatures.

flavoring substancesα-mercaptopyrazineα-chloropyrazinesodium methoxide

赵艳茹、丁涛

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许昌学院化学化工学院,河南,许昌,461000

滕州悟通香料公司,山东,滕州,277521

食用香料 α-巯基吡嗪 α-氯代吡嗪 甲醇钠

河南省科技攻关项目

0624290013

2008

安徽师范大学学报(自然科学版)
安徽师范大学

安徽师范大学学报(自然科学版)

CSTPCD北大核心
影响因子:0.435
ISSN:1001-2443
年,卷(期):2008.31(3)
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