Gold-Catalyzed Vinyl Ether Hydroalkynylation: An Alternative Pathway for the Gold-Catalyzed Intermolecular Reaction of Alkenes and Alkynes.

Gold-Catalyzed Vinyl Ether Hydroalkynylation: An Alternative Pathway for the Gold-Catalyzed Intermolecular Reaction of Alkenes and Alkynes.
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DOI:
10.1021/acs.orglett.6b03228
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发表时间:
2016-12-16
期刊:
影响因子:
5.2
通讯作者:
Shi X
Shi X
中科院分区:
化学1区
文献类型:
--
作者:
Hosseyni S;Smith CA;Shi X

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In this report, the gold-catalyzed intermolecular reaction of vinyl ethers and terminal alkynes is investigated. Utilizing a triazole gold catalyst lessens gold decomposition in the presence of the vinyl ether and affords an alkynylation product instead of the [2 + 2] product. This protocol has been expanded to include glycal substrates, which undergo a one-pot alkynylation–Ferrier reaction to produce functionalized sugars in moderate to excellent yields with high diastereoselectivity.
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