An Expeditious Copper‐Catalyzed Access to 3‐Aminoquinolinones, 3‐Aminocoumarins and Anilines using Sodium Azide
摘要：
An efficient copper-catalyzed in situ C(sp2)NH2 bond formation to provide a range of 3-aminoquinolin-2(1H)-ones and 3-aminocoumarins from 3-bromoquinolinones and 3-bromocoumarins, respectively, has been achieved. The reaction conditions involve the use of copper powder as the catalyst, eco-friendly ethanol as the solvent in the presence of pipecolinic acid as the ligand and ascorbic acid as the additive. The efficiency of this practical method was demonstrated in the synthesis of various anilines.
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DOI：
10.1002/adsc.201000149
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年份：
2010
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