4.8 Article

Thiyl radical catalyzed oxidation of diarylalkynes to α-diketones by molecular oxygen under visible-light irradiation

Journal

GREEN CHEMISTRY
Volume 18, Issue 23, Pages 6373-6379

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c6gc01487a

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Funding

  1. National Natural Science Foundation of China [21572078, 21372095]
  2. Natural Science Foundation of Anhui Department of Education [KJ2015ZD34]

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A facile synthesis of diaryl 1,2-diketones from diarylalkynes under visible-light irradiation was developed. The reaction proceeded smoothly through a thiyl radical catalyzed oxidation by molecular oxygen under mild conditions and generated the desired products in excellent yields with good tolerance of functional groups.

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