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Issue 11, 2016
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Efficient palladium-catalyzed C(sp2)–H activation towards the synthesis of fluorenes

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Abstract

A facile protocol for the synthesis of fluorene derivatives has been developed through palladium-catalyzed cyclization of 2′-halo-diarylmethanes via activation of arylic C–H bonds. The reactions occurred smoothly and allowed both electron-rich and electron-deficient substrates to convert into their corresponding fluorenes in good to excellent yields. Studies revealed that this Pd-catalyzed cyclization was also available for the substrates of 2′-chloro-diarylmethanes and no catalyst poisoning occurred for 2′-iodo-diphenylmethane.

Graphical abstract: Efficient palladium-catalyzed C(sp2)–H activation towards the synthesis of fluorenes

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Publication details

The article was received on 29 Jun 2016, accepted on 22 Sep 2016 and first published on 23 Sep 2016


Article type: Letter
DOI: 10.1039/C6NJ02033J
Citation: New J. Chem., 2016,40, 9030-9033
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    Efficient palladium-catalyzed C(sp2)–H activation towards the synthesis of fluorenes

    J. Song, Y. Li, W. Sun, C. Yi, H. Wu, H. Wang, K. Ding, K. Xiao and C. Liu, New J. Chem., 2016, 40, 9030
    DOI: 10.1039/C6NJ02033J

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