Journal
ORGANIC LETTERS
Volume 13, Issue 15, Pages 3904-3907Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol2014329
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Funding
- Robert A. Welch Foundation [A-0639]
- National Science Foundation [CHE-0952134]
- Qatar National Research Fund [NPRP 28-6-7-7]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [0952134] Funding Source: National Science Foundation
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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 degrees C, such complexes can perform homogeneous RCM reactions at 65 degrees C and, upon cooling, precipitate as solids. This allows for their quantitative separation from solutions of products.
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