Design and synthesis of binuclear Co-salen catalysts for the hydrolytic kinetic resolution of epoxides

Fengshou Wu*, Kai Wang, Zaoying Li, Xunjin ZHU

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Three binuclear Co(III)-salen complexes have been synthesized based on a series of hydrophilic cyclic frameworks with different ring sizes. The catalytic performance of Co-salen complexes have further been evaluated in the hydrolytic kinetic resolution of racemic epoxides. And kinetic studies reveal that the binuclear Co-salen catalysts show a higher reactivity and better enantioselectivity in comparison to monometallic reference complex, indicating the two Co-salen units on the cyclic framework may work in a cooperative manner. Specifically, Co3, with the most flexible cyclic framework exhibits the best catalytic performance among the three catalysts, due to the efficient cooperative interactions between two cobalt centers.

Original languageEnglish
Pages (from-to)101-104
Number of pages4
JournalCatalysis Communications
Volume68
DOIs
Publication statusPublished - 5 Aug 2015

Scopus Subject Areas

  • Catalysis
  • Chemistry(all)
  • Process Chemistry and Technology

User-Defined Keywords

  • Asymmetric catalysis
  • Cobalt
  • Kinetic resolution
  • Ring-opening
  • Salen ligands

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