Gold-catalyzed alkylation of silyl enol ethers with ortho-alkynylbenzoic acid esters.
Gold-catalyzed alkylation of silyl enol ethers with ortho-alkynylbenzoic acid esters.
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DOI:
10.3762/bjoc.7.76
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发表时间:
2011
影响因子:
2.7
通讯作者:
Yamamoto Y
中科院分区:
文献类型:
--
作者:
Aikawa H;Kaneko T;Asao N;Yamamoto Y
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.
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