制备了聚合物负载的季鏻盐催化剂,并用于CO2与环氧氯丙烷环加成反应中.采用红外光谱、热分析、原子吸收光谱和扫描电子显微镜等手段测定了催化剂的结构、热性能、磷元素含量和表面形貌等.考察了CO2压力,温度、催化剂用量和反应时间等对环加成反应性能的影响.结果表明,在催化剂用量为0.09g,CO2压力为4.5MPa,于150℃反应6h时,3-氯甲基环碳酸酯收率可达97.7%,选择性大于99%.且催化剂易分离回收,重复使用5次后产物收率和选择性没有明显下降.同时探讨了该催化剂上CO2环加成合成环碳酸酯的可能机理.
参考文献
| [1] | Yu KMK;Yeung CMY;Tsang SC .Carbon dioxide fixation into chemicals (methyl formate) at high yields by surface coupling over a Pd/Cu/ZnO nanocatalyst[J].Journal of the American Chemical Society,2007(20):6360-6361. |
| [2] | 张英菊,梁斌,潘玉珍,何仁.四叔丁基金属酞菁催化活化CO2与环氧丙烷的环加成反应[J].催化学报,2003(10):765-768. |
| [3] | Mani F;Peruzzini M;Stoppioni P .CO2 absorption by aqueous NH3 solutions: speciation of ammonium carbamate, bicarbonate and carbonate by a C-13 NMR[J].Green chemistry,2006(11):995-1000. |
| [4] | Sakai T;Tsutsumi Y;Ema T .[J].Green Chemistry,2008,10:337. |
| [5] | Zhang Z F;Xie Y;Li W J;Hu S Q,Song J L,Jiang T,Han BX .[J].Angewandte Chemie International Edition,2008,47:1127. |
| [6] | Sakakura T;Kohno K.[J].Chemical Communications,2009:1312. |
| [7] | He JL;Wu TB;Zhang ZF;Ding KL;Han BX;Xie Y;Jiang T;Liu ZM .Cycloaddition of CO2 to epoxides catalyzed by polyaniline salts[J].Chemistry: A European journal,2007(24):6992-6997. |
| [8] | Zhu AL;Jiang T;Han BX;Zhang JC;Xie Y;Ma XM .Supported choline chloride/urea as a heterogeneous catalyst for chemical fixation of carbon dioxide to cyclic carbonates[J].Green chemistry,2007(2):169-172. |
| [9] | Zhang S J;Chen Y H;Li F W;Lu X M Dai W B Mori R .[J].Catalysis Today,2006,115:61. |
| [10] | Sakakura T;Choi J C;Yasuda H .[J].Chemical Reviews,2007,107:2365. |
| [11] | Xiao L F;Yue Q F;Xia C G;Xu L W .[J].Journal of Molecular Catalysis A:Chemical,2008,279:230. |
| [12] | Yang H Z;Gu Y L;Deng Y Q;Shi F.[J].Chemical Communications,2002:274. |
| [13] | Li F W;Xiao L F;Xia C G;Hu B .[J].Tetrahedron Letters,2004,45:8307. |
| [14] | Wang J Q;Kong D L;Chert J Y;Cai F He L N .[J].Journal of Molecular Catalysis A:Chemical,2006,249:143. |
| [15] | 张素玲,宋莹莹,景欢旺,闫鹏,蔡强.金鸡纳碱季铵盐促进的CO_2与环氧化合物的不对称环加成反应[J].催化学报,2009(12):1255-1260. |
| [16] | Paddock R L;Nguyen S T .[J].Journal of the American Chemical Society,2001,123:11498. |
| [17] | Kim H S;Kim J J;Lee B G;Jung O S,Jang H G,Kang S O .[J].Angewandte Chemie International Edition,2000,39:4096. |
| [18] | Xiong Y B;Wang H;Wang R M;Yah Y F,Zheng B,Wang Y P.[J].Chemical Communications,2010:3399. |
| [19] | Sun J;Cheng W G;Fan W;Wang Y H Meng Z Y Zhang S J .[J].Catalysis Today,2009,148:361. |
| [20] | Webb P B;Sellin M F;Kunene T E;Williamson S Slawin A M Z Cole-Hamilton D J .[J].Journal of the American Chemical Society,2003,125:15577. |
| [21] | Wang J Q;Yue X D;Cai F;He L N .[J].Catalysis Communications,2007,8:167. |
| [22] | Guo L P;Wang C M;Luo X Y;Cui G K Li H R .[J].Chemical Communications,2010,46:5960. |
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