4.7 Article

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

Journal

JOURNAL OF ORGANIC CHEMISTRY
Volume 81, Issue 24, Pages 12181-12188

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/acs.joc.6b01847

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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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