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Crystal and molecular structure of 2′,4′-dimethoxyflavone

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Abstract

C17H14O4,M r =282.3, triclinic,P-1,a=8.469(3),b=8.516(2),c=20.425(8)Å,α=84.95(3),β=81.98(3), γ=70.47(2)°,V=1373(13)Å3,Z=4,D x =1.365 g cm−3, λ(MoK α)=0.71069 Å,μ=0.91 cm−1,F(000)=592,T=294K,R=0.038 for 3577 observed reflections (F>3σ (F)). The asymmetric unit is composed of two molecules. These two molecules, which are in planar conformations, differ in 4′-methoxyl group orientation. Short intramolecular contacts are found between the γ-benzopyran portion and the dimethoxyphenyl ring.

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Author notes

  1. O. Osorno

    Present address: Departamento de Química, Facultad de Ciencias, Universidad de Colombia, Bogotá, Columbia

Authors and Affiliations

  1. Laboratoire de Phytochimie, ENSSPICAM, Faculté des Sciences et Techniques de Saint-Jérôme, Avenue Escadrille Normandie-Niemen, 13397, Marseille, France

    J. C. Wallet & E. M. Gaydou

  2. Institut de Ciència de Materials de Barcelona (C. S. I. C.), Campus Universitat Autònoma de Bellaterra, 08193, Cerdanyola, Spain

    E. Espinosa, O. Osorno, E. Molins & C. Miravitlles

Authors
  1. J. C. Wallet
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  2. E. M. Gaydou
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  3. E. Espinosa
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  4. O. Osorno
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  5. E. Molins
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  6. C. Miravitlles
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Wallet, J.C., Gaydou, E.M., Espinosa, E. et al. Crystal and molecular structure of 2′,4′-dimethoxyflavone. Journal of Crystallographic and Spectroscopic Research 23, 297–300 (1993). https://doi.org/10.1007/BF01263590

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  • DOI: https://doi.org/10.1007/BF01263590

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