Thermomorphic polyethylene-supported olefin metathesis catalysts

Christopher Hobbs, Yun Chin Yang, Johnny Ling, Sally Nicola, Haw Lih Su, Hassan S. Bazzi, David E. Bergbreiter

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Abstract

The preparation of polyethylene-oligomer (PEolig)-supported N-heterocyclic carbene ligands (NHCs) and their Ru complexes is described. These complexes are structurally analogous to their low molecular weight counterparts and can serve as thermomorphic, recoverable/recyclable ring-closing metathesis (RCM) catalysts. Because of the insolubility of PEolig-supported species at 25 °C, such complexes can perform homogeneous RCM reactions at 65 °C and, upon cooling, precipitate as solids. This allows for their quantitative separation from solutions of products.

Original languageEnglish
Pages (from-to)3904-3907
Number of pages4
JournalOrganic Letters
Volume13
Issue number15
DOIs
Publication statusPublished - 5 Aug 2011

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ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

Cite this

Hobbs, C., Yang, Y. C., Ling, J., Nicola, S., Su, H. L., Bazzi, H. S., & Bergbreiter, D. E. (2011). Thermomorphic polyethylene-supported olefin metathesis catalysts. Organic Letters, 13(15), 3904-3907. https://doi.org/10.1021/ol2014329