合成了一种含钼钨的杂多酸[Smim]3[PMoW3 O24](Smim:1-庚基-3-甲基咪唑),并对其进行了表征,以此为催化剂设计了一种可循环且环境友好的催化体系:[Smim]3[PMoW3 O24]/UHP(过氧化脲)/[Smim]PF6/环己烯.此体系不仅可以催化环己烯环氧化反应达到较好效果,而且避免了传统有机溶剂的使用,且使反应在均相体系中进行,产率可达到93%以上,而且溶剂和催化剂可以循环使用.
参考文献
[1] | WANG Yaxin,ZHANG Jieshi.Market Analysis and Application Foreground for Epoxycyclohexane[J].New hem Mater,2008,36(6):19(in Chinese).王亚新,张结实.环氧环己烷的市场分析及应用前景[J].化工新型材料,2008,36(6):19. |
[2] | XU Kexun.Handbook of Fine Organic Chemical Raw Materials and Intermediate[M].Bejing:Chemical Industry Press,1999:2-3(in Chinese).徐克勋.精细有机化工原料及中间体手册[M].北京:化学工业出版社,1999:2-3. |
[3] | Csányi L,Jáky K.Some Features of Epoxidation of Cyclohexene Catalyzed by oxoperoxometllates under Phase-Transfer Conditions[J].J Catal,1991,127:42-50. |
[4] | JIANG Denggao,ZHANG Yadong,ZHOU Cairong.Fine Organic Synthesis Reaction and Proess[M].Bejing:Chemical Industry Press,2001 (in Chinese).蒋登高,章亚东,周彩荣.精细有机合成反应及工艺[M].北京:化学工业出版社,2001. |
[5] | Li X G,Wang F,Lu X L,et al.A Novel Method for Epoxidation of Cyclohexene Catalyzed by Fe2O3with Molecular Oxygen and Aldehydes[J].Synth Commun,1997,27(12):2075-2079. |
[6] | Yamase T.Photoredox Chemistry of Polyoxometalates as a Photocatalyst[J].Catal Surv Asia,2003,7 (4):203-217. |
[7] | Carlo V,Rino D A.Quaternary Ammonium Tetrakis(diperoxotungsto)phosphates(3-) as a New Class of Catalysts for Efficient Alkene Epoxidation with Hydrogen Peroxide[J].J Org Chem,1988,53(7):1553-1557. |
[8] | Ishii Y,Yamawaki K,Ura T,et al.Hydrogen Peroxide Oxidation Catalyzed by Heteropoly Acids Combined with Cetylpyridinium Chloride:Epoxidation of Olefins and Allylic Alcohols,Ketonization of Alcohols and Diols,and Oxidative Cleavage of 1,2-Diols and Olefins[J].J Org Chem,1988,53(15):3587-3593. |
[9] | Frank H H,Thomas P W J.Electrodeposition of Metals from Fused Quaternery Ammonium Salts[J].Electrchem Soc,1951,98:20-206. |
[10] | Aniruddha P,Prasun K M,Anunay S.How Transparent are the Imidazolium Ionic Liquids? A Case Study with l-Methyl-3-butylimidazolium Hexafluorophosphate[bmim][PF6][J].Chem Phys Leu,2005,402:375-379. |
[11] | Weyershausen B,Lehmann K.Industrial Application of Ionic Liquids as Performance Additives[J].Green Chem,2005,7(1):15-19. |
[12] | Misono M,Mizuno N,Katamura K,et al.Catalysis by Hetempoly Compounds Ⅲ,the Structure and Properties of 12-Heteropolyacids of Molybdenum and Tungsten(H3PMo12-x Wx O4o) and Their Salts Pertient to Heterogeneous Catalysis[J].Bull Chem Soc Jpn,1982,55:400-406. |
[13] | Ding Y,Ma B C,Gao Q,et al,A Spectroscopic Study on the 12-Heteropolyacids of Molybdenum and Tungsten (H3PMo12-nWnO40) Combined with Cetylpyridinium Bromide in the Epoxidation of Cyclopentene[J].J Mol Catal A:Chem,2005,230:121-128. |
[14] | HUA Hui,MA Baochun,TONG Dejie,et al.[π-C5 H5 N (CH2) 15 CH3]3[PMoW3 O24]:A Heteropolyoxomolybdotungstate Catalyst for Efficient and Recyclable Epoxidation of 1-Octene with 30% H2O2 using Environmentally Friendly Solvent[J].J Mol Catal,2009,23(2):97-105(in Chinese).花卉,马宝春,佟德杰,等.[π-C5 H5N(CH2)15CH3]3[PMoW3 O24]/H2O2:高效的环境友好且可再生的烯烃环氧化磷钼钨杂多酸催化体系[J].分子催化,2009,23(2):97-105. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分:
-
10%
-
20%
-
30%
-
40%
-
50%