Journal
TETRAHEDRON LETTERS
Volume 49, Issue 4, Pages 614-618Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2007.11.143
Keywords
allylation; propargylic alcohols; allylic alcohols; 1,5-enynes; Cu(II) reagents
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Propargylic alcohols undergo smooth deoxygenative allylation with allylsilanes in the presence of a solution of 10 mol % of copper(II) tetrafluoroborate in acetonitrile to afford the corresponding 1,5-enynes in good to high yields under mild and neutral conditions. Scandium triflate is also found to catalyze efficiently the nucleophilic substitution of propargylic alcohols with allylsilanes. (c) 2007 Elsevier Ltd. All rights reserved.
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