对甲苯磺酸催化合成对硝基苯甲酸乙酯的研究 |
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引用本文: | 唐明明,刘葵,陈孟林. 对甲苯磺酸催化合成对硝基苯甲酸乙酯的研究[J]. 应用化工, 2003, 32(1): 42-43 |
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作者姓名: | 唐明明 刘葵 陈孟林 |
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作者单位: | 广西师范大学,化学化工系,广西,桂林,541004 |
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摘 要: | 以对甲苯磺酸为催化剂,合成了对硝基苯甲酸乙酯。对影响产率的诸因素进行了考察,其最佳反应条件为:醇酸摩尔比4∶1,催化剂用量为醇酸总量9%,反应时间2.5h,反应温度81℃~85℃,酯化反应产率高达95.8%。
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关 键 词: | 对硝基苯甲酸乙酯 对甲苯磺酸 合成 |
文章编号: | 1671-3206(2003)01-0042-02 |
修稿时间: | 2002-11-05 |
Research on synthesis of p-nitro-ethylbenzoate with toluene-p-sulfonic acid as catalyst |
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Abstract: | p Nitro ethylbenzoate was synthesized with toluene p sulfonic acid as catalyst. Factors in fluencing yield were discussed. The optimum reaction conditions are alcohol/acid molar ratio 4∶1, catalyst amount(of alcohol and acid) 9%, reaction time 2.5 h,temperature 81 ℃~85 ℃. The yield under the optimum conditions was up to 95.8%. |
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Keywords: | p-nitro-ethylbenzoate toluene-p-sulfonic acid synthesis |
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