Photoredox mediated annelation of iododifluoromethylated alcohols with 1,1-diarylethylenes |
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| Authors: | Liubov I Panferova Grigory N Chernov Vitalij V Levin Vladimir A Kokorekin Alexander D Dilman |
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| Institution: | 1. N. D. Zelinsky Institute of Organic Chemistry, 119991 Moscow, Leninsky Prosp. 47, Russian Federation;2. Moscow State University, Department of Chemistry, 119991, Moscow, Leninskie Gory 1-3, Russian Federation;3. Sechenov First Moscow State Medical University, 119991, Moscow, Trubetskaya 8-2, Russian Federation |
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| Abstract: | A method for the synthesis of 3,3-difluorotetrahydrofurans from iododifluoromethylated alcohols and 1,1-diarylethylenes is described. The reaction is performed under irradiation with 400?nm light emitting diodes in the presence of a cationic iridium(III) photocatalyst, Ir(ppy)2(dtbbpy)]PF6, substoichiometric amounts of triphenylphosphine and sodium trifluoroacetate as a base. |
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| Keywords: | Photocatalysis Organofluorine compounds Tetrahydrofurans Radical reactions Fluorinated alcohols |
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