Sequential Xanthalation and O-Trifluoromethylation of Phenols: A Procedure for the Synthesis of Aryl Trifluoromethyl Ethers

Makoto Yoritate, Allyn T. Londregan, Yajing Lian, John F. Hartwig

Research output: Contribution to journalArticlepeer-review

4 Citations (Scopus)

Abstract

Molecules containing trifluoromethoxyaryl groups are of interest in pharmaceutical, agrochemical, and materials science research, due to their unique physical and electronic properties. Many of the known methods to synthesize aryl trifluoromethyl ethers require harsh reagents and highly controlled reaction conditions and rarely occur when heteroaromatic units are present. The two-step O-trifluoromethylation of phenols via aryl xanthates is one such method that suffers from these drawbacks. Herein, we report a method for the synthesis of aryl trifluoromethyl ethers from phenols by the facile conversion of the phenol to the corresponding aryl and heteroaryl xanthates with newly synthesized imidazolium methylthiocarbonothioyl salts and conversion of these xanthates to the trifluoromethyl ethers under mild reaction conditions.

Original languageEnglish
Pages (from-to)15767-15776
Number of pages10
JournalJournal of Organic Chemistry
Volume84
Issue number24
DOIs
Publication statusPublished - Dec 20 2019
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Organic Chemistry

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