Ru(ii)-Catalyzed C–H activation/annulation reactions of N-aryl-pyrazolidinones with sulfoxonium ylides: synthesis of cinnoline-fused pyrazolidinones
文献信息
发布日期
2021-09-13
DOI
10.1039/D1QO01001H
影响因子
5.281
作者
Hai-Shan Jin, Ya-Zhen Du, Qing-Yang Zhao, Li-Ming Zhao
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摘要
The first Ru(II)-catalyzed cascade C–H activation/annulation reactions of N-aryl-pyrazolidinones with sulfoxonium ylides for the synthesis of cinnoline-fused pyrazolidinones are reported. This transformation proceeds smoothly under operationally simple conditions in 10 min using a simple and cheap catalytic system consisting of Ru(II) and Zn(OTf)2. A wide range of substrates were assessed in this transformation, and the products were isolated in good to excellent yields (51% to 99%).
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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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