Thermomorphic polyethylene-supported olefin metathesis catalysts.
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The preparation of polyethylene-oligomer (PE(olig))-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 PE(olig)-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.
author list (cited authors)
Hobbs, C., Yang, Y., Ling, J., Nicola, S., Su, H., Bazzi, H. S., & Bergbreiter, D. E.
complete list of authors
Hobbs, Christopher||Yang, Yun-Chin||Ling, Johnny||Nicola, Sally||Su, Haw-Lih||Bazzi, Hassan S||Bergbreiter, David E