Regioselective C-H Trifluoromethylation of Aromatic Compounds by Inclusion in Cyclodextrins

Xu Lu, Ryohei Kawazu, Jizhou Song, Yusuke Yoshigoe, Takeru Torigoe, Yoichiro Kuninobu

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)


A regioselective radical C-H trifluoromethylation of aromatic compounds was developed using cyclodextrins (CDs) as additives. The C-H trifluoromethylation proceeded with high regioselectivity to afford the product in good yield, even on the gram scale. In the presence of CDs, some substrates underwent a single trifluoromethylation selectively, whereas mixtures of single- and double-trifluoromethylated products were formed in the absence of the CD. 1H NMR experiments indicated that the regioselectivity was controlled by the inclusion of a substrate inside the CD cavity.

Original languageEnglish
JournalOrganic letters
Publication statusAccepted/In press - 2021

All Science Journal Classification (ASJC) codes

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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