ChemInform Abstract: [3 + 2]-Annulations of N-Alkyl-3-Substituted Indoles with Quinone Monoketals Catalyzed by Broensted Acids.

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• 作者：Zhuo Chai ; Jia-Nan Chen ; Zhen Liu ; Xue-Fei Li ; Pei-Jun Yang ; Ji-Ping Hu and Gaosheng Yang
• 关键词：fused pyrrole derivatives ; ring closure reactions ; annulation reactions ; indole derivatives ; isoindole derivatives ; benzofuran derivatives
• 刊名：ChemInform
• 出版年：2016
• 出版时间：April, 2016
• 年：2016
• 卷：47
• 期：20
• 全文大小：29K
• ISSN：1522-2667

文摘

A novel method is elaborated for the synthesis of benzofuro[2,3-b]indolines (III) and (V) by [3 + 2]-annulation of N-alkyl-3-substituted indoles with quinone monoketals (II) in the presence of (-)-CSA as catalyst.