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- Title
Copper-catalyzed oxidative trimerization of indoles by using TEMPO to construct quaternary carbon centers: the synthesis of 2-(1 H-indol-3-yl)-2,3′-biindolin-3-ones.
- Authors
Kong, Yu-Bo; Zhu, Jia-Yi; Chen, Zheng-Wang; Liu, Liang-Xian
- Abstract
A simple, convenient, and efficient synthesis of 2-(1 H-indol-3-yl)-2,3′-biindolin-3-one derivatives has been developed by the oxidative trimeric reaction of indoles using the TEMPO/CuCl2 catalyst system under ambient air. This methodology provides an alternative approach for the direct generation of all-carbon quaternary centers at the C-2 position of indoles.
- Subjects
COPPER catalysts; OXIDATION; TRIMERIZATION; INDOLE compounds; CARBON; INDOLINONE; BIOMIMETIC synthesis; CHEMICAL reactions
- Publication
Canadian Journal of Chemistry, 2014, Vol 92, Issue 4, p269
- ISSN
0008-4042
- Publication type
Article
- DOI
10.1139/cjc-2013-0435