- The first nucleophilic C-H perfluoroalkylation of aromatic compounds via (arene)tricarbonylchromium complexes
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The first nucleophilic perfluoroalkylation of arenes is based on the arene π-system activation via (η6-arene)tricarbonylchromium complexes. Perfluoroalkyl anions generated from Me3SiRF and a fluoride ion source [Me4N]F exclusively attack the arene ligand under mild conditions. The formed negatively charged analogs of Meisenheimer adducts readily undergo a one-pot oxidation to perfluoroalkyl arenes.
- Kirij, Natalia V.,Filatov, Andrey A.,Khrapach, Gleb Yu.,Yagupolskii, Yurii L.
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- IF5-pyridine-HF: Air- and moisture-stable fluorination reagent
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IF5-pyridine-HF, an air- and moisture-stable solid, can be used as a fluorination reagent for the introduction of fluorine atoms to the α-position of the sulfur atom in sulfides. The desulfurizing-fluorination reactions of benzylic sulfides, thioacetals, and 2-(methylthio)-1,3-dithiane derivatives were also performed using this reagent.
- Hara, Shoji,Monoi, Miki,Umemura, Ryosuke,Fuse, Chiaki
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p. 10145 - 10150,6
(2020/09/02)
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- A novel method for introducing a polyfluoroalkyl group into aromatic compounds
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Introduction of a polyfluoroalkyl group into aromatic compounds was achieved by Friedel-Crafts reaction using (1-chloro-1-hydroperfluoroalkyl) sulfides 1, and the subsequent desulfurizing-difluorination of the resulting product using IF5/Etsub
- Tahara, Ryuhei,Fukuhara, Tadahito,Hara, Shoji
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p. 579 - 586
(2011/09/20)
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