| 3,7-二氨基-2,8-二甲基-5-苯基吩嗪盐酸盐合成研究 |
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| 引用本文： | 李陶琦,解秋莲,刘建利,刘庆,刘愆,苏海鹏.3,7-二氨基-2,8-二甲基-5-苯基吩嗪盐酸盐合成研究[J].应用化工,2011,40(1):124-127. |
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| 作者姓名： | 李陶琦 解秋莲 刘建利 刘庆 刘愆 苏海鹏 |
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| 作者单位： | 西安近代化学研究所,陕西,西安,710065 |
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| 摘 要： | 以邻甲基苯胺、2,5-二氨基甲苯和苯胺为原料,经氧化反应,合成3,7-二氨基-2,8-二甲基-5-苯基吩嗪盐酸盐,讨论了反应条件对反应收率的影响。结果表明,当n(2,5-二氨基甲苯)∶n(2-氨基甲苯)∶n(苯胺)∶(重铬酸钠)=1∶1∶1∶1.945,pH值为6~8,40~45℃反应4 h;98~102℃反应3 h,3,7-二氨基-2,8-二甲基-5-苯基吩嗪盐酸盐的收率为93.6%。
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| 关 键 词： | 藏花红T 邻甲基苯胺 2 5-二氨基甲苯 氧化缩合 |
Study on synthesis of 3,7-diamino-2,8-dimethyl-5-phenylphenium chloride |
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| LI Tao-qi,XIE Qiu-lian,LIU Jian-li,LIU Qing,LIU Qian,SU Hai-peng.Study on synthesis of 3,7-diamino-2,8-dimethyl-5-phenylphenium chloride[J].Applied chemical industry,2011,40(1):124-127. |
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| Authors: | LI Tao-qi XIE Qiu-lian LIU Jian-li LIU Qing LIU Qian SU Hai-peng |
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| Affiliation: | (Xi’an Morden Chemistry Research Institute,Xi’an 710065,China) |
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| Abstract: | 3,7-Diamino-2,8-dimethyl-5-phenylphenium chloride was synthesized using 2-aminotoluene,2,5-diaminotoluene and aniline as raw materials by oxidation-condensation reaction.The effect of reaction conditions on yield was studied.The yield of 3,7-diamino-2,8-dimethyl-5-phenylphenium chloride was 93.6% under optimum conditions.The conditions were as follows:n(2,5-diaminotoluene)∶n(2-aminotoluene)∶n(aniline)∶n(NaCr2O7·2H2O)=1∶1∶1∶1.945,pH=6~8,40~45 ℃ for 4 h,98~102 ℃ for 3 h. |
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| Keywords: | safranine T 2-aminotoluene 2 5-diaminotoluene oxidation-condensation |
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