Rhodium-catalysed regioselective redox-neutral [3 + 3]-cycloaddition of anilines with CF3-ynones was achieved via a traceless directing group strategy. A variety of substituted 2-trifluromethylquinoline compounds were obtained in good to excellent yields, which exhibited favorable blue emission properties.
![Graphical abstract: Synthesis of 2-trifluoromethylquinolines through rhodium-catalysed redox-neutral [3 + 3] annulation between anilines and CF3-ynones using traceless directing groups](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=D1QO01478A&imageInfo.ImageIdentifier.Year=2022)
H. Huang, H. Wang, C. Gong, Z. Zhuang, W. Feng, S. Wu and L. Wang, Org. Chem. Front., 2022, 9, 413 DOI: 10.1039/D1QO01478A
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