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Synlett 2012(1): 54-56
DOI: 10.1055/s-0031-1289567
DOI: 10.1055/s-0031-1289567
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© Georg Thieme Verlag
Stuttgart ˙ New York
Gold-Catalyzed Regioselective Dimerization of Aliphatic Terminal Alkynes
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Publication History
Received
7 September 2011
Publication Date:
09 November 2011 (online)


Abstract
A gold-catalyzed regioselective homodimerization of aliphatic terminal alkynes is described. Bulky and less Lewis acidic t-BuXPhosAuNTf2 is the preferred catalyst, and the additive, anhydrous NaOAc, substantially facilitates the reaction.
Key words
gold - dimerization - regioselectivity - terminal alkynes - enynes
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