欢迎登录材料期刊网

材料期刊网

高级检索

合成并表征了聚乙烯基吡咯烷酮修饰的杂多酸杂化催化剂PVP-PW,比较了它与其它催化剂上乙酸和正丁醇的酯化反应性能.结果表明,PVP-PW是催化酯化反应的高效多相催化剂,所得酯收率和选择性分别高达98.4%和100%;反应结束后,催化剂通过简单过滤即可分离回收,重复使用6次后,其催化活性没有明显下降.通过改变反应底物羧酸和醇,发现催化剂PVP-PW在众多酯化反应中均具有较高的催化活性.

参考文献

[1] Maki-Arvela P;Salmi T;Sundell M;Ekman K Peltonen R Lehtonen J .[J].Applied Catalysis A:General,1999,184:25.
[2] Heidekum A;Harmer M A;Hoelderich W F .[J].Journal of Catalysis,1999,181:217.
[3] Dijs I J;van Ochten H L F;vanWalree C A;Geus J W Jenneskens L W .[J].Journal of Molecular Catalysis A:Chemical,2002,188:209.
[4] Sheldon R.A;Downing R.S .Heterogeneous catalytic transformations for environmentally friendly production[J].Applied Catalysis, A. General: An International Journal Devoted to Catalytic Science and Its Applications,1999(2):163-183.
[5] Ghamati L;Walter O;Arnold U;D(o)ring M.[J].European Journal of Inorganic Chemistry,2011:2756.
[6] Zhang W;Leng Y;Zhao P;Wang J Zhu D Huang J .[J].Green Chemistry,2011,13:832.
[7] Ettedgui, J;Neumann, R .Phenanthroline Decorated by a Crown Ether as a Module for Metallorganic-Polyoxometalate Hybrid Catalysts: The Wacker Type Oxidation of Alkenes with Nitrous Oxide as Terminal Oxidant[J].Journal of the American Chemical Society,2009(1):4-5.
[8] Xi Z;Ning Zh;Yu S;Li K .[J].Science,2001,292:1139.
[9] Hamamoto H;Suzuki Y;Yamada Y M A;Tabata H,Takahashi H,Ikegami S .[J].Angewandte Chemie International Edition,2005,44:4536.
[10] Maradur S P;Jo C;Choi D H;Kim K.Ryoo R .[J].ChemCatChem,2011,3:1435.
[11] 黄宝华,汪艳飞,张焜,方岩雄,周蓓蕾.吡咯烷酮酸性离子液体的合成及其对酯化反应的催化活性[J].催化学报,2007(08):743-748.
[12] Guo S;Du ZY;Zhang SG;Li DM;Li ZP;Deng YQ .Clean Beckmann rearrangement of cyclohexanone oxime in caprolactam-based Bronsted acidic ionic liquids[J].Green chemistry,2006(3):296-300.
[13] 郭辉,王君良,李霞,吕德水,林贤福.酰胺类酸性离子液体催化Oxa-Michael加成反应[J].催化学报,2011(01):162-165.
[14] Zhang H;Xu F;Zhou X;Zhang G Wang C .[J].Green Chemistry,2007,9:1208.
[15] Du Z;Li Z;Guo S;Zhang J Zhu L Deng Y .[J].Journal of Physical Chemistry B,2005,109:19542.
[16] Misono M.[J].Chemical Communications,2001:1141.
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:
  • 1
    0%
  • 2
    0%
  • 3
    0%
  • 4
    0%
  • 5
    0%