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Issue 11, 2016
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Sulfonyl radical-enabled 6-endo-trig cyclization for regiospecific synthesis of unsymmetrical diaryl sulfones

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Abstract

A new sulfonyl radical-triggered 6-endo-trig cyclization of unactivated 1,5-enynes under catalytic oxidation conditions for flexible synthesis of unprecedented unsymmetrical diaryl sulfones was established. This transformation could also proceed smoothly using 2-arylalkynyl-1,1′-biphenyls, delivering new sulfonylated phenanthrenes. The synthetic utility of these transformations results in subsequent C–S and C–C bond-forming reactions to effectively build up functional sulfones with potential significance.

Graphical abstract: Sulfonyl radical-enabled 6-endo-trig cyclization for regiospecific synthesis of unsymmetrical diaryl sulfones

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Publication details

The article was received on 01 Aug 2016, accepted on 22 Aug 2016 and first published on 23 Aug 2016


Article type: Research Article
DOI: 10.1039/C6QO00422A
Citation: Org. Chem. Front., 2016,3, 1452-1456
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    Sulfonyl radical-enabled 6-endo-trig cyclization for regiospecific synthesis of unsymmetrical diaryl sulfones

    R. Fu, W. Hao, Y. Wu, N. Wang, S. Tu, G. Li and B. Jiang, Org. Chem. Front., 2016, 3, 1452
    DOI: 10.1039/C6QO00422A

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