We report here ruthenium-catalyzed arylation of fluorinated aromatic ketones via ortho-selective carbon-fluorine bond cleavage. In the presence of trimethylvinylsilane and cesium fluoride, ortho carbon-fluoride bonds of aromatic ketones were phenylated by 5,5-dimethyl-2-phenyl-1,3,2-dioxaborinane using RuH2(CO)(PPh3)(3) as a catalyst. Tandem C-F phenylation/C-H alkylation was observed for substrates bearing both one ortho hydrogen and one ortho fluorine atoms. (C) 2011 Elsevier Ltd. All rights reserved.
机构:
Keio Univ, Fac Sci & Technol, Dept Chem, Kohoku Ku, Yokohama, Kanagawa 2238522, JapanKeio Univ, Fac Sci & Technol, Dept Chem, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan
Ogiwara, Yohei
Kochi, Takuya
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Keio Univ, Fac Sci & Technol, Dept Chem, Kohoku Ku, Yokohama, Kanagawa 2238522, JapanKeio Univ, Fac Sci & Technol, Dept Chem, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan
Kochi, Takuya
Kakiuchi, Fumitoshi
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Keio Univ, Fac Sci & Technol, Dept Chem, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan
JST, Adv Catalyt Transformat Program Carbon Utilizat A, Honcho, Saitama 3320012, JapanKeio Univ, Fac Sci & Technol, Dept Chem, Kohoku Ku, Yokohama, Kanagawa 2238522, Japan
机构:
MOE Key Laboratory of Protein Sciences, Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences,Tsinghua UniversityMOE Key Laboratory of Protein Sciences, Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences,Tsinghua University
Gang Shan
Gui-Yi Huang
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School of Pharmaceutical Engineering, Shenyang Pharmaceutical University
MOE Key Laboratory of Protein Sciences, Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences,Tsinghua UniversityMOE Key Laboratory of Protein Sciences, Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences,Tsinghua University
Gui-Yi Huang
Yu Rao
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MOE Key Laboratory of Protein Sciences, Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences,Tsinghua UniversityMOE Key Laboratory of Protein Sciences, Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences,Tsinghua University
Yu Rao
Hui Zhang
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School of Pharmaceutical Engineering, Shenyang Pharmaceutical UniversityMOE Key Laboratory of Protein Sciences, Department of Pharmacology and Pharmaceutical Sciences, School of Medicine and School of Life Sciences,Tsinghua University