采用溶胶-凝胶法合成了有机-无机杂化材料(OIH),通过与PdCl2(PhCN)2反应,制备了固载化PdCl2/OIH非均相催化剂.考察了此催化剂在苯酚直接氧化羰化合成碳酸二苯酯反应中的催化活性,并与均相PdCl2催化体系进行了比较.结果表明,负载型催化剂的催化活性与均相体系相当.当使用Cu2O和四氢呋喃分别作无机助剂和溶剂时,PdCl2/OIH催化剂重复使用5次后,碳酸二苯酯的产率基本保持不变,钯流失量仅为12.3%.
参考文献
| [1] | Clark J H;Macquarrie D J;Mubofu E B.[J].Green Chemistry,2000(02):53. |
| [2] | Dallmann K;Buffon R.[J].Catalysis Communications:9. |
| [3] | Okuyama K;Sugiyama J;Nagahata R;Asai M, Ueda M,Takeuchi K.[J].Journal of Molecular Catalysis A:Chemical,2003(1-2):21. |
| [4] | Song HY.;Lee JS.;Park ED. .Oxidative carbonylation of phenol to diphenyl carbonate over supported palladium catalysts[J].Journal of molecular catalysis, A. Chemical,2000(1/2):243-250. |
| [5] | Hatanaka I.;Mitsuyasu N.;Yin G.;Fujiwara Y.;Kitamura T.;Kusakabe K. Yamaji T. .The mechanic study of the Pd-catalyzed synthesis of diphenylcarbonate with heteropolyacid as a cocatalyst[J].Journal of Organometallic Chemistry,2003(1/2):96-100. |
| [6] | 张光旭,马沛生,吴元欣,吴广文,李定或.非均相催化一步合成碳酸二苯酯的研究Ⅱ. 焙烧温度对催化剂性能影响[J].燃料化学学报,2002(04):363-367. |
| [7] | Yin G;Jia C;Kitamura T;Yamaji T, Fujiwara Y.[J].Journal of Organometallic Chemistry,2001(01):11. |
| [8] | Yasuda H.;Maki N.;Choi JC.;Sakakura T. .Synthesis and reactivity of phenoxycarbonyl palladium complex: relevant to the mechanism of oxidative carbonylation of phenol[J].Journal of Organometallic Chemistry,2003(1/2):66-72. |
| [9] | Lagasi M;Moggi P.[J].Journal of Molecular Catalysis A:Chemical,2002:61. |
| [10] | 梅付名,李光兴.苯酚氧化羰化合成碳酸二苯酯的新型PdCl2-Co（Pyca）2催化体系[J].燃料化学学报,2000(06):481-484. |
| [11] | Dams M;Drijkoningen L;Pauwels B;Van Tendeloo G,De Vos D E, Jacobs P A.[J].Journal of Catalysis,2002(01):225. |
| [12] | Kim W B;Park E D;Lee J S.[J].Applied Catalysis A:General:335. |
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