Gold-catalyzed O-vinylation of cyclic 1,3-diketones has been achieved for the first time, which provides direct access to various vinyl ethers. A catalytic amount of copper triflate was identified as the significant additive in promoting this transformation. Both aromatic and aliphatic alkynes are suitable substrates with good to excellent yields.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3869262 | PMC |
| http://dx.doi.org/10.3762/bjoc.9.288 | DOI Listing |
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Ambient gold-catalyzed O-vinylation of cyclic 1,3-diketone: A vinyl ether synthesis.
Beilstein J Org Chem
December 2013
C. Eugene Bennett Department of Chemistry, West Virginia University, Morgantown, West Virginia 26506, United States.
Gold-catalyzed O-vinylation of cyclic 1,3-diketones has been achieved for the first time, which provides direct access to various vinyl ethers. A catalytic amount of copper triflate was identified as the significant additive in promoting this transformation. Both aromatic and aliphatic alkynes are suitable substrates with good to excellent yields.
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