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学科主题: 金属有机化学
题名: Gold-Catalyzed Cascade Reactions of Furan-ynes with External Nucleophiles Consisting of a 1,2-Rearrangement: Straightforward Synthesis of Multi-Substituted Benzo[b]furans
其他题名: 涉及1,2-迁移过程的呋喃/炔与亲核试剂的金催化串联环化反应: 多取代苯并[b]呋喃的合成
作者: Sun N(孙宁); Jie X(解鑫); Liu YH(刘元红)
通讯作者: 刘元红
刊名: Chem.-Eur. J.
发表日期: 2014
DOI: 10.1002/chem.201400112
卷: 20, 期:24, 页:7514-7519
收录类别: SCI
英文摘要: A gold-catalyzed cycloisomerization of silyl-protected 2-(1-alkynyl)-2-alken-1-(2-furanyl)-1-ols with various nucleophiles including water, alcohol, aniline, sulfonamide, and electron-rich arene has been developed. The method provides a highly efficient access to 5,7-disubstituted or 2,5,7-trisubstituted benzo[b]furans with a wide diversity of substituents under mild reaction conditions, which are not easily available by other methods. Remarkably, an interesting rearrangement of the alkyl group from C2 to the C3 position of the furan ring takes place during the cyclization process. The following gold-assisted allylic substitution enables an elaboration of benzo[b]furans on its side chain of the C5 position with a wide range of functional groups.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/39073
Appears in Collections:金属有机化学国家重点实验室_期刊论文

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作者单位: 中科院上海有机化学研究所

Recommended Citation:
Sun N,Jie X,Liu YH. Gold-Catalyzed Cascade Reactions of Furan-ynes with External Nucleophiles Consisting of a 1,2-Rearrangement: Straightforward Synthesis of Multi-Substituted Benzo[b]furans[J]. Chem.-Eur. J.,2014,20(24):7514-7519.
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