Gold-catalyzed alkylation of silyl enol ethers with ortho-alkynylbenzoic acid esters
2011 ◽
Vol 7
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pp. 648-652
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Unprecedented alkylation of silyl enol ethers has been developed by the use of ortho-alkynylbenzoic acid alkyl esters as alkylating agents in the presence of a gold catalyst. The reaction probably proceeds through the gold-induced in situ construction of leaving groups and subsequent nucleophilic attack on the silyl enol ethers. The generated leaving compound abstracts a proton to regenerate the silyl enol ether structure.
1989 ◽
Vol 54
(11)
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pp. 2605-2608
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2002 ◽
Vol 2002
(21)
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pp. 3646-3658
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