VISIBLE-LIGHT-INDUCED IR-CATALYZED SITE-SELECTIVE C−H TRIFLUOROMETHYLATION OF 3-SUBSTITUTED 1,2-BENZOXAZOLES

Authors

  • Ming-Ming Xiao School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013
  • Ming-Qing Hua School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013
  • Fang-You Mou School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, Jiangsu 212013
  • Heng-Ying Xiong College of Chemistry and Chemical Engineering, Henan University, Kaifeng Henan 475004

Keywords:

trifluoromethyltion, visible-light photocatalysis, regioselectivity, 1,2-benzoxazoles

Abstract

A new protocol for visible-light-induced C–H trifluoromethylation at C-4 position of 1,2-benzoxazoles has been disclosed with Togni reagent II at room temperature in the presence of fac-Ir(ppy)3. This approach features simple operation, high efficiency, and specific selectivity.

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Published

2024-08-01

Issue

Vol. 60 No. 5/6 (2024)

Section

Original Papers