Cooperative tandem catalysis by an organometallic complex and a metalloenzyme

Carl A. Denard, Hua Huang, Mark J. Bartlett, Lu Lu, Yichen Tan, Huimin Zhao, John F. Hartwig

Research output: Contribution to journalArticlepeer-review


Although chemical and enzymatic catalysts have been combined, reactions in which an organometallic catalyst and a metalloenzyme work cooperatively to create products, which cannot be generated with either catalyst alone or in comparable yields by sequential reactions of the two catalysts, have not been reported. Such reactions are challenging to achieve, in part because the milieu in which these catalysts operate are typically different. Herein, two classes of catalysts are demonstrated to react cooperatively in the same system. Combination of a metathesis catalyst and a P450 enzyme lead to a dynamic equilibration of alkenes and a selective epoxidation of the cross-metathesis products. These results show the potential of combining the two classes of catalysts for synthetic transformations. Working together: An organometallic catalyst and a metalloenzyme react cooperatively to produce epoxides with high substrate specificity and regioselectivity through a dynamic equilibrium of alkenes. Yields obtained are higher in the one-pot reaction than that from the sequential reactions.

Original languageEnglish (US)
Pages (from-to)465-469
Number of pages5
JournalAngewandte Chemie - International Edition
Issue number2
StatePublished - Jan 7 2014


  • cooperative effects
  • enzyme catalysis
  • metalloenzymes
  • metathesis
  • oxidation

ASJC Scopus subject areas

  • General Chemistry
  • Catalysis


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