A practical and catalytic reductive olefin coupling.

A practical and catalytic reductive olefin coupling.
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DOI:
10.1021/ja4117632
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发表时间:
2014-01-29
影响因子:
15
通讯作者:
Baran PS
Baran PS
中科院分区:
化学1区
文献类型:
--
作者:
Lo JC;Yabe Y;Baran PS

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报道了一种使用廉价的铁催化剂和硅烷还原剂进行烯烃直接偶联的氧化还原经济的方法。因此,未活化的烯烃可以在分子内和分子间环境中直接连接到缺电子烯烃上,以良好的产率产生受阻双环体系、邻位季中心甚至环丙烷。该反应对氧气或水分不敏感,并且已经在克级上进行。最重要的是,它允许获得许多使用其他方法难以或可能无法获得的化合物。
A redox-economic method for the direct coupling of olefins that uses an inexpensive iron catalyst and a silane reducing agent is reported. Thus, unactivated olefins can be joined directly to electron-deficient olefins in both intra- and intermolecular settings to generate hindered bicyclic systems, vicinal quaternary centers, and even cyclopropanes in good yield. The reaction is not sensitive to oxygen or moisture and has been performed on gram-scale. Most importantly, it allows access to many compounds that would be difficult or perhaps impossible to access using other methods.
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