| 以三乙胺催化合成抗氧剂丙烯酰茶多酚酯及光谱分析 |
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| 引用本文： | 洪美花,周文富.以三乙胺催化合成抗氧剂丙烯酰茶多酚酯及光谱分析[J].宝鸡文理学院学报(自然科学版),2008,28(2):116-119. |
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| 作者姓名： | 洪美花 周文富 |
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| 作者单位： | 三明学院,化学与生物工程系,福建,三明,365004;三明学院,化学与生物工程系,福建,三明,365004 |
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| 摘 要： | 目的以乙酸乙酯为溶剂，三乙胺为催化剂合成抗氧剂丙烯酰茶多酚酯。方法利用酰化法合成含有活泼双键，可直接嵌入高分子结构中的抗氧剂。结果最佳工艺条件为：n（茶多酚）：n（丙烯酰氧）：n（三乙胺）=0．1：0．115：0．3，反应温度为50℃，反应时间为2h，产率61．3％。目标物的FTIR为：3353．77，2983．92，2847．34，1 700．93，1612．12，1518．28，1448．63，1239．58cm^-1。UV为256．50，259．5，275．50，289．50nm。结论三乙胺是丙烯酰茶多酚酯合成的良好催化剂。
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| 关 键 词： | 丙烯酰茶多酚酯 催化合成 结构表征 抗氧剂 |
Synthesis of antioxidants tea polyphenol esters with triethylamine as a catalyst and their spectral analysis |
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| HONG Mei-hua,ZHOU Wen-fu.Synthesis of antioxidants tea polyphenol esters with triethylamine as a catalyst and their spectral analysis[J].Journal of Baoji College of Arts and Science(Natural Science Edition),2008,28(2):116-119. |
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| Authors: | HONG Mei-hua ZHOU Wen-fu |
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| Institution: | (Department of Chemical and Bioengineering, Sanming University,Sanming 365004, Fujian, China) |
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| Abstract: | Aim Antioxidants polypropylene acyl tea polyphenols esters are synthesized by acylation with ethyl acetate as solvent, triethylamine as catalyst. Methods An antioxidant, containing active double bonds can be inserted into structure of the polymers. Results The optimum conditions are tea polyhenols , acryloyl chloride and triethylamine in molar ratio 1 ： 1.15 ： 3, reacted at 50 ℃ for 2 hours,the yield is 61.3% The product＇s FTIR 3 353.77, 2 983.92, 2 847.34, 1 700.93, 1 612.12, 1 518.28, 1 448.63, 1 239.58 cm^- 1;UV：256.50, 259.50, 275.50, 289.50 nm. Conclusion Triethylamine is a good catalyst for synthesizing acrylhydrazine tea polyphenols. |
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| Keywords: | polypropylene acyl tea polyphenols ester catalyzed synthesis structural characterization antioxidant |
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