| Schiff碱类镍(Ⅱ)络合物对苯乙烯的催化环氧化 |
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| 引用本文： | 王胜国,于国清. Schiff碱类镍(Ⅱ)络合物对苯乙烯的催化环氧化[J]. 石油化工, 2002, 31(3): 183-186 |
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| 作者姓名： | 王胜国 于国清 |
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| 作者单位： | 1. 齐鲁石化公司研究院,工业催化室,山东,淄博,255400
2. 山东农药股份有限公司,山东,淄博,255009 |
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| 摘 要： | 合成了 3种Schiff碱类镍 (Ⅱ )络合物 ,并通过红外光谱、核磁共振氢谱、元素分析等手段对其进行表征。在无溶剂和相转移催化剂的情况下 ,考察其对苯乙烯的催化环氧化反应性能 ,在反应温度 10～ 2 0℃、pH =11～ 12、n(催化剂C) /n(苯乙烯 ) /n(NaOCl) =1/10 0 /180时 ,环氧化反应具有较好的转化率和选择性。
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| 关 键 词： | Schiff碱类镍(Ⅱ)络合物 苯乙烯 催化环氧化 水溶性催化剂 |
| 文章编号： | 1000-8144(2002)03-0183-04 |
| 修稿时间： | 2001-06-04 |
Epoxidation of Styrene Catalyzed by Schiff-Base Nickel(Ⅱ) Complexes |
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| WANG Sheng-guo,YU Guo-qing. Epoxidation of Styrene Catalyzed by Schiff-Base Nickel(Ⅱ) Complexes[J]. Petrochemical Technology, 2002, 31(3): 183-186 |
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| Authors: | WANG Sheng-guo YU Guo-qing |
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| Affiliation: | WANG Sheng-guo1,YU Guo-qing 2 |
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| Abstract: | Three Schiff-base nickel(Ⅱ) complexes were synthesized and characterized by IR, 1H NMR and elemental analysis. In the absence of organic solvent and phase-transfer agent, their catalytic activity for epoxidation of styrene with NaOCl was studied.Complex C,a water-soluble catalyst,was found to have high styrene conversion(94%) and epoxy selectivity(58%).The catalytic system gives satisfactory performance at a ratio of n (catalyst)/ n (styrene)/ n (NaOCl) of 1/100/180,a temperature range of 10～20 ℃, and a pH of 11～12 |
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| Keywords: | Schiff-base nickel(Ⅱ) complex styrene epoxidation water-soluble catalyst |
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