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Zhou N, Yan Z, Zhang H, et al. Metal-Free Radical Oxidative Cyclization of o-Azidoaryl Acetylenic Ketones with Sulfinic Acids To Access Sulfone-Containing 4-Quinolones. J Org Chem. 2016;81(24):12181-12188doi: 10.1021/acs.joc.6b01847.
Zhou, N., Yan, Z., Zhang, H., Wu, Z., & Zhu, C. (2016). Metal-Free Radical Oxidative Cyclization of o-Azidoaryl Acetylenic Ketones with Sulfinic Acids To Access Sulfone-Containing 4-Quinolones. The Journal of organic chemistry, 81(24), 12181-12188. https://doi.org/10.1021/acs.joc.6b01847
Zhou, Nengneng, et al. "Metal-Free Radical Oxidative Cyclization of o-Azidoaryl Acetylenic Ketones with Sulfinic Acids To Access Sulfone-Containing 4-Quinolones." The Journal of organic chemistry vol. 81,24 (2016): 12181-12188. doi: https://doi.org/10.1021/acs.joc.6b01847
Zhou N, Yan Z, Zhang H, Wu Z, Zhu C. Metal-Free Radical Oxidative Cyclization of o-Azidoaryl Acetylenic Ketones with Sulfinic Acids To Access Sulfone-Containing 4-Quinolones. J Org Chem. 2016 Dec 16;81(24):12181-12188. doi: 10.1021/acs.joc.6b01847. Epub 2016 Dec 06. PMID: 27978760.
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J Org Chem. 2016 Dec 16;81(24):12181-12188. doi: 10.1021/acs.joc.6b01847. Epub 2016 Dec 06.

Metal-Free Radical Oxidative Cyclization of o-Azidoaryl Acetylenic Ketones with Sulfinic Acids To Access Sulfone-Containing 4-Quinolones.

The Journal of organic chemistry

Nengneng Zhou, Zhongfei Yan, Honglin Zhang, Zhongkai Wu, Chengjian Zhu

Affiliations

  1. State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University , Nanjing 210093, P. R. China.
  2. Shanghai Institute of Organic Chemistry , Chinese Academy of Sciences, Shanghai 200032, China.

PMID: 27978760 DOI: 10.1021/acs.joc.6b01847

Abstract

A novel one-pot synthesis of sulfone-containing 4-quinolones with easily available sulfinic acids as sulfonylating precursors is described. This reaction is characterized by mild reaction conditions, high functional-group tolerance and amenability to gram-scale synthesis.

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