| 邻二甲苯侧链氯化合成邻苯二甲醛 |
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| 引用本文： | 刘鸿,刘晓玲,宋才生.邻二甲苯侧链氯化合成邻苯二甲醛[J].江西师范大学学报(自然科学版),2001,25(3):227-230. |
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| 作者姓名： | 刘鸿 刘晓玲 宋才生 |
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| 作者单位： | 江西师范大学化学与生物科学学院, |
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| 基金项目： | 江西省自然科学基金资助课题(001109) |
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| 摘 要： | 以邻二甲苯为原料，在DMF存在下进行侧链氯化，控制氯化深度，使主产物为邻二－（二氯甲基）苯，粗产物经减压馏，石油醚重结晶，制得纯度在98％以上的邻二－（二氯甲基）苯，考察了邻二－（二氯甲基）苯在ZnSO3催化剂存在下反应条件对合成邻苯二甲醛的影响，研究结果表明，邻苯二甲醛产率可达96．7％，纯度为99．8％，一次合成总收率为43．0％。
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| 关 键 词： | 邻二甲苯 邻苯二甲醛 侧链氯化 合成 |
| 文章编号： | 1000-5862(2001)03-0227-04 |
| 修稿时间： | 2001年4月25日 |
The Side-Chain Chlorination of O- Xylene and the Synthesis of Phthalaldehydes |
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| LIU Hong,LIU Xiao ling,SONG Cai sheng.The Side-Chain Chlorination of O- Xylene and the Synthesis of Phthalaldehydes[J].Journal of Jiangxi Normal University (Natural Sciences Edition),2001,25(3):227-230. |
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| Authors: | LIU Hong LIU Xiao ling SONG Cai sheng |
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| Abstract: | O xylene was chlorinated in the presence of DMF, 1,2 bis dichlormethyl benzol was made to the main products by controlling the chlorinated degree. The craw products were distilled in the decreased pressure. The products were recrystallized by petroleum ether. The purity of 1,2 bis chlormethyl benzol was beyond 98%. The synthesis of phthalaldehydes were researched from 1,2 bis dichlormethyl benzol with ZnSO 4 as catalyst. The experimental results showed that the yield of phthalaldehydes was 96.7% and the purity of its was about 99.8%. The whole yield was 43.0%. |
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| Keywords: | o xylene 1 2 bis dichlormethyl benzol phthalaldehyde |
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