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Visible Light Promoted Synthesis of Indoles by Single Photosensitizer under Aerobic Conditions

Wen-Qiang Liu, Tao Lei, Zi-Qi Song, Xiu-Long Yang, Cheng-Juan Wu, Xin Jiang , Bin Chen , Chen-Ho Tung and Li-Zhu Wu*

*Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, The Chinese Academy of Sciences, Beijing 100190, P. R. China, Email:

W.-Q. Liu, T. Lei, Z.-Q. Song, X.-L. Yang, C.-J. Wu, X. Jiang, B. Chen, C.-H. Tung, L.-Z. Wu, Org. Lett., 2017, 19, 3147-3150.

DOI: 10.1021/acs.orglett.7b01367

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A radical cyclization enables the preparation of indoles and their derivatives from a wide variety of simple enamines only with catalytic amounts of an iridium(III) photosensitizer (PS) in DMSO solution under air atmosphere.

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proposed mecahnism

Key Words

indoles, oxygen

ID: J54-Y2017