![Bis[(1,2,3,4,5-eta)-1-(diphenylphosphino)cyclopentadienyl]iron structure](https://cnstatic.chemtradehub.com/structs/121/12150-46-8-ecd2.webp "Bis[(1,2,3,4,5-eta)-1-(diphenylphosphino)cyclopentadienyl]iron structure")
Metallaphotoredox-catalyzed C–H activation: regio-selective annulation of allenes with benzamide‡
文献信息
发布日期
2021-01-04
DOI
10.1039/D0QO01127D
影响因子
5.281
作者
Zihao Zhu, Yuyuan Chen, Xueyao Li, Qingyun Yang, Jie Xia, Wenxuan Zhang, Chao Zhang, Song Wu
查看原文
摘要
We have developed an efficient annulation of benzamides with allenes using cobalt and photoredox dual catalysis under an oxygen atmosphere. This reaction provides a mild and environmentally friendly method for the construction of isoquinolinone scaffolds in good to excellent yields, demonstrating broad substrate scopes, high regioselectivity, and good functional group compatibility. Notably, the transformation features an alternative strategy for the regeneration of a cobalt catalyst with the aid of Eosin Y. Preliminary mechanistic studies reveal that a radical-mediated cascade annulation is involved in this reaction.
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来源期刊
Organic Chemistry Frontiers
CiteScore:
7.8
自引率:
8.7%
年发文量:
724
Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry
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