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Rhodium(III)‐Catalyzed Cross‐Coupling of Sulfoxonium Ylides with Quinoline‐8‐carboxaldehydes for Synthesis of Quinoline‐1,3‐diketones
Asian Journal of Organic Chemistry ( IF 2.7 ) Pub Date : 2020-11-18 , DOI: 10.1002/ajoc.202000581
Xue‐Li Lyu 1 , Shi‐Sheng Huang 1 , Yuan‐Qiong Huang 1 , Hong‐Jian Song 1 , Yu‐Xiu Liu 1 , Yong‐Qiang Li 1 , Shao‐Xiang Yang 2 , Qing‐Min Wang 1
Affiliation  

Herein, we report a protocol for rhodium(III)‐catalyzed aldehydic C(sp2)−H acylmethylation reactions of quinoline‐8‐carboxaldehydes using sulfoxonium ylides as carbene precursors to afford 1,3‐diketones, which readily tautomerized to their enol forms. We determined the reaction mechanism by synthesizing the key intermediate, a five‐membered‐ring acylrhodium species.

中文翻译:

铑(III)催化的ox氧鎓叶立德与喹啉-8-甲醛的交叉偶联合成喹啉-1,3-二酮

在本文中,我们报告了一种使用铑基sulf作为卡宾前体的铑(III)催化的喹啉-8-甲醛醛的醛化C(sp 2)-H酰基甲基化反应的方案,以提供1,3-二酮,其易于互变异构成其烯醇形式。我们通过合成关键的中间体五元环酰基铑来确定反应机理。
更新日期:2021-01-18
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