Copper-mediated annulation of 2-(1-arylvinyl) anilines and aryl nitrosos towards 2,3-diaryl-2H-indazoles
文献信息
发布日期
2016-10-20
DOI
10.1039/C6QO00540C
影响因子
5.281
作者
Weiming Hu, Jin-Tao Yu, Suqin Liu, Yan Jiang, Jiang Cheng
查看原文
摘要
A copper-mediated annulation of 2-(1-substituted vinyl) anilines and aryl nitrosos is developed for the synthesis of 2,3-diaryl pyrazoles. Compared with previously reported sequential azobenzene C–H ortho-acylation, reduction and cyclization procedures towards such frameworks, no external reductant was required during this cyclization, where the vinyl served as a formal innate reductant. Moreover, in this procedure, no selectivity was involved in the case of Ar1 ≠ Ar2.
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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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