Synthesis, structures and Co-crystallizations of perfluorophenyl substituted β-diketone and triketone compounds

Takumi Kusakawa, Shunichiro Sakai, Kyosuke Nakajima, Hidetaka Yuge, Izabela Irena Rzeznicka, Akiko Hori

研究成果: Article

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Perfluorophenyl-substituted compounds, 3-hydroxy-1,3-bis(pentafluorophenyl)-2-propen-1-one (H1) and 1,5-dihydroxy-1,5-bis(pentafluorophenyl)-1,4-pentadien-3-one (H 2 2), were prepared in 56 and 30% yields, respectively, and only the enol forms were preferentially obtained among the keto-enol tautomerism. Molecular conformations and tautomerism of the fluorine-substituted compounds were certified based on X-ray crystallographic studies and density functional calculations. The solvent dependency of the absorption spectra was only observed for the fluorinated compounds. The compounds H1 and H 2 2 quantitatively formed co-crystals with the corresponding non-perfluorinated compounds, dibenzoylmethane (H3) and 1,5-dihydroxy-1,5-diphenyl-1,4-pentadien-3-one (H 2 4), respectively, through the arene–perfluoroarene interaction to give the 1:1 co-crystals H1•H3 and H 2 2•H 2 4, which were characterized by X-ray crystallographic and elemental analysis studies.

元の言語English
記事番号175
ジャーナルCrystals
9
発行部数3
DOI
出版物ステータスPublished - 2019 3 1

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ASJC Scopus subject areas

  • Chemical Engineering(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Inorganic Chemistry

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