| 邻碘和邻溴苯胺的合成 |
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| 引用本文： | 史成玲,刘秀杰,孟杰,刘连遵.邻碘和邻溴苯胺的合成[J].天津理工大学学报,2010,26(6). |
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| 作者姓名： | 史成玲 刘秀杰 孟杰 刘连遵 |
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| 作者单位： | 天津理工大学化学化工学院; |
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| 摘 要： | 本文以邻硝基苯胺为原料,经过重氮化,卤代,还原反应,制得邻碘苯胺和邻溴苯胺;针对采用文献合成方法中出现的一些问题,采用改变加料顺序、介质条件和增加水蒸气蒸馏进行分离操作等方法进行了工艺改进,提高了邻硝基碘苯收率(收率87.5%)和邻硝基溴苯的纯度(纯度96.6%).
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| 关 键 词： | 邻碘苯胺 邻溴苯胺 合成 |
Synthesis of o-iodoaniline and o-bromoaniline |
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| SHI Cheng-ling,LIU Xiu-jie,MENG Jie,LIU Lian-zun.Synthesis of o-iodoaniline and o-bromoaniline[J].Journal of Tianjin University of Technology,2010,26(6). |
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| Authors: | SHI Cheng-ling LIU Xiu-jie MENG Jie LIU Lian-zun |
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| Institution: | SHI Cheng-ling,LIU Xiu-jie,MENG Jie,LIU Lian-zun(School of Chemistry and Chemical Engineering,Tianjin University of Technology,Tianjin 300384,China) |
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| Abstract: | O-iodoaniline and o-bromoaniline in this article have been synthesized by a series reactions,such as diazotization,substitution and reduction with o-nitroaniline as stating martierial.By changing the order of throwing materials and media,the yield of o-iodonitrobenzene is 87.5%,which is higher than the yield in literature,and distillation the product by vapor,the purity of o-bromonitrobenzene is 96.6% superior to that in literature. |
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| Keywords: | o-iodoaniline o-bromoaniline synthesis |
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