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Visible light induced radical cyclization of o-iodophenylacrylamides: a concise synthesis of indolin-2-one

A [Ir(ppy)2(dtb-bpy)]PF6-catalyzed intramolecular radical cyclization of o-iodophenylacrylamides affording indolin-2-ones in moderate to excellent yields via 5-exo-trig radical cyclization under visible light is presented. This method provides new access to the synthesis of indolin-2-ones under mild...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2015-03, Vol.51 (22), p.4587-4590
Main Authors: Dong, Wuheng, Liu, Yan, Hu, Bei, Ren, Kai, Li, Yuyuan, Xie, Xiaomin, Jiang, Yuexiu, Zhang, Zhaoguo
Format: Article
Language:English
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Summary:A [Ir(ppy)2(dtb-bpy)]PF6-catalyzed intramolecular radical cyclization of o-iodophenylacrylamides affording indolin-2-ones in moderate to excellent yields via 5-exo-trig radical cyclization under visible light is presented. This method provides new access to the synthesis of indolin-2-ones under mild reaction conditions.
ISSN:1359-7345
1364-548X
DOI:10.1039/c5cc00072f