Journal of Nanoscience and Nanotechnology 2014-06-01

Organic-inorganic hybrids of imidazole complexes of zinc (II) for catalysts in the glycerolysis of urea.

Dong-Woo Kim, Dae-Won Park

文献索引：J. Nanosci. Nanotechnol. 14(6) , 4632-8, (2014)

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摘要

Bis(alkylimidazole) complexes of zinc, (RIm)2ZnX2, were prepared by a metal insertion reaction. The synthesized (RIm)2ZnX2 exhibited good catalytic performance during synthesis of glycerol carbonate (GC) from glycerol and urea. (HEIm)2ZnCl2 with a hydroxyl group exhibited the highest GC yield during glycerolysis of urea owing to incorporation of acid-base bifunctional active sites. (EIm)2ZnX2 catalysts based on different halide anions showed increased reactivity as Cl- < Br- < I-, which is the order of nucleophilicity. The effects of reaction parameters such as temperature, reaction time, catalyst loading, and degree of vacuum on the reactivity were also investigated.

相关化合物

  • 甘油
  • 咪唑
  • 锌标准溶液
  • 尿素
  • 咪唑 钠衍生物
  • 咪唑盐酸盐

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