Journal
TETRAHEDRON LETTERS
Volume 50, Issue 45, Pages 6103-6105Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.08.055
Keywords
Metathesis; Scavenger; RCM; Fisher carbene; Ruthenium
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A highly efficient method for deactivating commonly used olefin metathesis catalysts is described. Inexpensive and commercially available di(ethylene glycol) vinyl ether is found to quench both first- and second-generation Grubbs' carbenes in less than 10 min at room temperature. The resulting ruthenium byproducts are readily removed by silica gel purification. (C) 2009 Elsevier Ltd. All rights reserved.
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