| 催化加氢合成3，5-二氨基苯甲酸 |
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| 引用本文： | 张志达,冯柏成,吴祖望.催化加氢合成3，5-二氨基苯甲酸[J].染料与染色,2009,46(3):42-44. |
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| 作者姓名： | 张志达 冯柏成 吴祖望 |
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| 作者单位： | 1. 青岛科技大学,青岛,266042
2. 大连理工大学,大连,116012 |
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| 摘 要： | 以3,5-二硝基苯甲酸为主要原料,在钯/碳催化下加氢合成了3,5-二氨基苯甲酸.研究了催化荆、温度、氢压等条件对反应的影响.给出了优化的工艺条件,产物及中间体的结构已经MR、1HNMR鉴定.催化剂套用可令反应成本大幅度下降.
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| 关 键 词： | 3 5-二氨基苯甲酸 3 5-二硝基苯甲酸 催化加氢 |
Synthesis of 3,5-Diaminobenzoic Acid by Catalytic Hydrogenation |
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| ZHANG Zhi-da,FENG Bai-cheng,WU Zu-wang.Synthesis of 3,5-Diaminobenzoic Acid by Catalytic Hydrogenation[J].Ranliao yu Ranse,2009,46(3):42-44. |
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| Authors: | ZHANG Zhi-da FENG Bai-cheng WU Zu-wang |
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| Affiliation: | 1.Qingdao University of Science and Technology;Qingdao266042;China;2. Dalian University of Technology;Dalian 116012;China |
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| Abstract: | 3,5-Diamino-benzoic acid is synthesized by hydrogenation of 3,5-dinitro-benzoic acid using with Pd/C as the catalyst. The effects of catalyst,temperature,hydrogen pressure etc. on the reaction are discussed,and the optimum conditions of hydrogenation is given. The structures of the product and intermediate were confirmed by IR,1HNMR. The catalyst can be reused in next batch. |
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| Keywords: | 3 5-diaminobenzoic acid 5-dinitrobenzoic acid catalytic hydrogenation |
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