期刊
MOLECULES
卷 15, 期 3, 页码 1918-1931出版社
MDPI
DOI: 10.3390/molecules15031918
关键词
[hydroxyl(tosyloxy)iodo]benzene; fluoroalcohol solvents; diaryliodonium salts; thiophenes; single-electron-transfer
资金
- Japan Society for the Promotion of Science (JSPS)
- Ministry of Education, Culture, Sports, Science and Technology (MEXT)
- Ritsumeikan Global Innovation Research Organization (R-GIRO)
- New Energy and Industrial Technology Development Organization (NEDO) of Japan
- JSPS
In this manuscript, we report clear evidence for the generation of aromatic cation radicals produced by using [hydroxy(tosyloxy) iodo] benzene (HTIB) in fluoroalcohol solvents such as 2,2,2-trifluoroethanol (TFE) and 1,1,1,3,3,3-hexafluoro-2-propanol (HFIP). The single-electron-transfer (SET) oxidation ability of HTIB to give cation radicals was first established by ESR and UV measurements. The reaction was broadly applied to various thiophenes, and unique thienyliodonium salts were directly synthesized by this method in excellent yields without the production of any harmful byproducts.
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