Copper(II)-Catalyzed Sequential C,N-Difunctionalization of 1,4-Naphthoquinone for the Synthesis of Benzo[f]indole-4,9-diones under Base-Free Condition

An efficient synthesis of benzo[f]indole-4,9-diones has been achieved by copper(II)-catalyzed naphthoquinone sequential C,N-difunctionalization reactions with β-enaminones. New C–C and C–N bonds are easily formed in the reaction course. Copper(II) salt plays a dual role as Lewis acid and oxidative c...

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Veröffentlicht in:	Journal of organic chemistry 2013-10, Vol.78 (20), p.10560-10566
Hauptverfasser:	Sun, Jin-Wei, Wang, Xiang-Shan, Liu, Yun
Format:	Artikel
Sprache:	eng
Schlagworte:	Catalysis Copper - chemistry Indoles - chemical synthesis Indoles - chemistry Lewis Acids - chemistry Molecular Structure Naphthoquinones - chemistry Oxidation-Reduction
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