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| Dawson结构杂多酸盐催化合成碳酸丙烯酯 | |
| 引用本文： | 王春刚,姜春杰,胡长文. Dawson结构杂多酸盐催化合成碳酸丙烯酯[J]. 高等学校化学学报, 2004, 25(7): 1325-1327 |
| 作者姓名： | 王春刚 姜春杰 胡长文 |
| 作者单位： | 1. 东北师范大学多酸化学研究所, 长春 130024;2. 北京理工大学理学院化学系, 北京 100081 |
| 基金项目： | 国家自然科学基金 (批准号 :2 0 3 3 10 10 ,2 0 2 710 0 7)，高等学校博士学科点专项科研基金 (批准号 :2 0 0 3 0 0 0 70 14 )资助 |
| 摘 要： | 碳酸丙烯酯(PC)是一种性能优良的高沸点、高极性的有机溶剂,在有机合成、化妆品、电池电解质和脱碳溶剂等领域中具有重要应用. |
| 关 键 词： | 二氧化碳 环氧丙烷 碳酸丙烯酯 Dawson杂多酸 环加成 |
| 文章编号： | 0251-0790(2004)07-1325-03 |
| 收稿时间： | 2003-08-12 |
Synthesis of Propylene Carbonate Catalyzed by Dawson-type Polyoxometalate |
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| WANG Chun-Gang ,JIANG Chun-Jie ,HU Chang-Wen . Synthesis of Propylene Carbonate Catalyzed by Dawson-type Polyoxometalate[J]. Chemical Research In Chinese Universities, 2004, 25(7): 1325-1327 | |
| Authors: | WANG Chun-Gang JIANG Chun-Jie HU Chang-Wen |
| Affiliation: | 1. Institute of Polyoxometalate Chemistry, Northeast Normal University, Changchun 130024, China;2. Department of Chemistry, College of Science, Beijing Institute of Technology, Beijing 100081, China |
| Abstract: | In the presence of Dawson-type polyoxotungstate, α 2-[(n-C4H9)4](11-n)P2W17O 61(Mn+·Br)[abbreviated as P2W17M·Br, M=Co(Ⅱ), Mn(Ⅲ), Cu(Ⅱ)] and saturated [(C4H9)4N]6P2W18O62(abbreviated as P2W18), cycloaddition reaction of carbon dioxide to propylene oxide were studied under moderate reaction conditions without any additional organic solvents. The experimental results indicated that the synthesis of propylene carbonate was completed in 98% yield and 100% selectivity by using {P2W17Co·Br} as the catalyst, while the P2W18 complex showed the lowest catalytic activity with less than 1% yield of propylene carbonate. The dependency of the catalytic activity on transition metal of mono-substituted polyoxometalate, P2W17M·Br, as well as the nucleophilicity of the bromide ion was concluded from the process analysis. |
| Keywords: | Carbon dioxide Propylene oxide Propylene carbonate Dawson polyoxometalate Cycloaddition |
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