Photochemical Trifluoromethylation of 1-Methylimidazoles and 1-Methylpyrroles Containing Methylthio Groups.

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概要

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• The title reaction was achieved by UV (254 nm) irradiation with CF<SUB>3</SUB>I. The methylthio group was introduced to increase electron density and to limit available reactive sites in the rings. Following trifluoromethylation, the methylthio groups were readily removed by hydrogenolysis (Raney Ni) to give the desired trifluoromethyl heterocycles.

• 公益社団法人 日本化学会の論文

著者

• Kimoto Hiroshi

  Government Industrial Research Institute

• Fujii Shozo

  Government Industrial Research Institute

• Cohen Louis

  Laboratory of Bioorganic Chemistry, National Institute of Diabetes, Digestive and Kidney Diseases, National Institutes of Health, Bethesda

• Nishida Masakazu

  Government Industrial Research Institute

• Hayakawa Yoshio

  Government Industrial Research Institute

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• Syntheses and reactions of fluorine-containing aromatic ketones.
• Photochemical Trifluoromethylation of 1-Methylimidazoles and 1-Methylpyrroles Containing Methylthio Groups.
• Synthesis of (E)- and (Z)-2,3-Bis(trifluoromethyl)allyl Alcohols by .GAMMA.-Ray Irradiation of Hexafluoro-2-butyne with Alcohols and Some Reactions.
• 1H and 19F NMR spectra of some fluorocyclobutane derivatives.

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