| 溶剂体系对壬二酸合成的影响 |
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| 引用本文： | 阿依夏木古丽·努尔艾买提,吾满江·艾力.溶剂体系对壬二酸合成的影响[J].精细石油化工,2007,24(5):29-31. |
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| 作者姓名： | 阿依夏木古丽·努尔艾买提 吾满江·艾力 |
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| 作者单位： | 1. 中国科学院研究生院,北京,100039;中国科学院新疆理化技术研究所,新疆,乌鲁木齐,830011
2. 中国科学院新疆理化技术研究所,新疆,乌鲁木齐,830011 |
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| 基金项目： | 中国科学院“西部之光”资助项目，新疆自治区科技厅攻关项目(05200333003003) |
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| 摘 要： | 在两类离子液体(bmim]BF_4与bmim]PF_6)及异丙醇或无溶剂等条件下考察了壬二酸合成中的溶剂效应,并采用过氧化氢氧化油酸经二步反应合成了壬二酸。结果表明,bmim]PF_6是合成壬二酸的最好溶剂。第一步较佳反应条件为:反应温度60℃,n(油酸)∶n(过氧化氢)∶n(钨酸)∶n(溶剂)=1.0∶3.0∶0.04∶1.24,反应时间1 h;第二步较佳反应条件为:m(中间产物):m(过氧乙酸)=1∶4,反应温度90℃,反应时间3 h。壬二酸收率为39%,熔点104～105.3℃,纯度达98%。
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| 关 键 词： | 油酸 过氧化氢 离子液体 碘值 壬二酸 |
| 收稿时间： | 2007-04-03 |
| 修稿时间： | 2007-08-02 |
SOLVENT EFFECT IN SYNTHESIS OF AZELAIC ACID |
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| Ayshemgul Nuramat,Wumanjiang Eli.SOLVENT EFFECT IN SYNTHESIS OF AZELAIC ACID[J].Speciality Petrochemicals,2007,24(5):29-31. |
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| Authors: | Ayshemgul Nuramat Wumanjiang Eli |
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| Abstract: | Azelaic acid was synthesized by the oxidative cleavage of oleic acid with hydrogen peroxide in ionic liquids(bmim]PF_6 andbmim]PF_4),isopropanol and solvent free condition,respectively.The optimum conditions were found as follows,reaction temperature 60℃,reaction time 1h,n (C_(18)H_(34)O_2):n(H_2O_2):n(H_2WO_4):n(bmim]PF_6)=1.0:3.0:0.04:1.24,the intermediate in the above reaction was further reacted in 300 mL,25% peracetic acid at 90℃for 3 h.The yield of azalaic acid was up to 39% with the melting point of 104-105.3℃,and the purity of about 98%. |
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| Keywords: | oleic acid hydrogen proxide ionic liquid iodine value azelaic acid |
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