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[1]彭永利,魏梦.偏苯三酸酐酰氯的合成及其结构表征[J].武汉工程大学学报,2014,(09):1-6.[doi:103969/jissn16742869201409001]
 PENG Yong li,WEI Meng.Synthesis and structure characterization of trimellitic anhydride acid chloride[J].Journal of Wuhan Institute of Technology,2014,(09):1-6.[doi:103969/jissn16742869201409001]
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偏苯三酸酐酰氯的合成及其结构表征(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2014年09期
页码:
1-6
栏目:
化学与化学工程
出版日期:
2014-09-30

文章信息/Info

Title:
Synthesis and structure characterization of trimellitic anhydride acid chloride
文章编号:
16742869(2014)09000106
作者:
彭永利魏梦
武汉工程大学材料科学与工程学院,湖北 武汉 430074
Author(s):
PENG YongliWEI Meng
School of Materials Science and Engineering,Wuhan Institute of Technology,Wuhan 430074,China
关键词:
偏苯三酸酐酰氯催化剂精细化工中间体
Keywords:
trimellitic anhydride acid chloridecatalystfine chemical intermediates
分类号:
O625.5;O621.3
DOI:
103969/jissn16742869201409001
文献标志码:
A
摘要:
以偏苯三酸酐(TMA)为反应原料、过量氯化亚砜作溶剂,二甲基甲酰胺(DMF)作催化剂制备了偏苯三酸酐酰氯(TMAC).利用三因素三水平正交实验研究了反应温度、反应时间、氯化亚砜用量3个因素对TMAC合成效率的影响并得到了优化工艺参数:反应温度70 ℃,反应时间7 h,氯化亚砜用量为TMA质量的5倍时,TMAC的产率可高达96.47%.用红外图谱对化合物结构进行了确证:羧基特征峰完全消失,生成了相应的酰氯基团.该合成工艺可操作性强,提高了产物产率、纯度,反应速率,无副产物生成,可直接投入下步反应,对同类有机中间体获得更广泛的应用起到一定的作用.
Abstract:
Trimellitic anhydride acid chlorid (TMAC) was prepared by using trimellitic anhydride(TMA), thionyl anhydride as raw materials, and dimethyl formamide(DMF) as catalyst. The optimum preparation technology of TMAC was studied by orthogonal experiments of three facts and tree levels, and the optimum technological parameters are reaction temperature of 70 ℃, reaction time of 7 h, the quantity of thionyl anhydride 5 times the mass of TMA and the yield of TMAC of 96.47%. The infrared spectrum shows that carboxyl group peeks disappear, then the acid chloride group appear. In this synthetic method, the operability of the process gets better; the yield, the product purity and the reaction rate increase without byproducts, which has reference effect on more widely application of this kind of organic intermediates.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:20140827作者简介:彭永利(1968),男,黑龙江清宝人,教授,博士研究生导师.研究方向:热固性树脂及其复合材料.
更新日期/Last Update: 2014-10-09