Deoxygenative CO<sub>2</sub> conversions with triphenylborane and phenylsilane in the presence of secondary amines or nitrogen-containing aromatics

DOI Web Site 4 Citations 77 References
  • Takumi Murata
    Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University, Tsushima, Okayama 700-8530, Japan
  • Mahoko Hiyoshi
    Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University, Tsushima, Okayama 700-8530, Japan
  • Shinsuke Maekawa
    Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University, Tsushima, Okayama 700-8530, Japan
  • Yuta Saiki
    Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University, Tsushima, Okayama 700-8530, Japan
  • Manussada Ratanasak
    Institute for Catalysis, Hokkaido University, Kita 21, Nishi 10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
  • Jun-ya Hasegawa
    Institute for Catalysis, Hokkaido University, Kita 21, Nishi 10, Kita-ku, Sapporo, Hokkaido 001-0021, Japan
  • Tadashi Ema
    Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University, Tsushima, Okayama 700-8530, Japan

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Description

<jats:p>BPh<jats:sub>3</jats:sub> catalyzed the <jats:italic>N</jats:italic>-methylation of secondary amines and the <jats:italic>C</jats:italic>-methylenation of <jats:italic>N</jats:italic>,<jats:italic>N</jats:italic>-dimethylanilines or 1-methylindoles in the presence of CO<jats:sub>2</jats:sub> and PhSiH<jats:sub>3</jats:sub> without solvent at 30–40 °C, and a cascade reaction from 1-methyl-2-oxindole also proceeded.</jats:p>

Journal

  • Green Chemistry

    Green Chemistry 24 (6), 2385-2390, 2022

    Royal Society of Chemistry (RSC)

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