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Crystal and Molecular Structures of Phosphonolactone Derivatives of Chromone

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Abstract

The crystal structure of chromone hydrazonium salt (±)-1-hydroxy-1-oxo-3-phenyl-1,3-dihydro-1λ5-2,1-oxaphospholo[4,5-b]-4H-1-benzopyran-4-one (2) and its acid (±)-1-hydroxy-1-oxo-3-phenyl-1,3-dihydro-1λ5-2,1-oxaphospholo[4,5-b]-4H-1-benzopyran-4-one (3) have been solved. Condensed rings are almost planar, the P atom adopts nearly tetragonal geometry. The molecular packing is influenced by inter- and intramolecular contacts, which can be recognized as hydrogen bonds.

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Authors and Affiliations

  1. Department of Crystallography and Crystal Chemistry, University of tódź, 90-236, tódź, Pomorska, 149/153, Poland

    Magdalena Małecka

  2. Department of Chemistry, University of Marburg, Hans-Meerwein-Strasse, D-35032, Marburg, Germany

    Werner Massa

  3. Faculty of Pharmacy, Department of Bioorganic Chemistry, Medical University of tódź, 90-151, tódź, Muszyńskiego 1, Poland

    Elżbieta Budzisz

Authors
  1. Magdalena Małecka
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  2. Werner Massa
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  3. Elżbieta Budzisz
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Correspondence to Magdalena Małecka.

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Małecka, M., Massa, W. & Budzisz, E. Crystal and Molecular Structures of Phosphonolactone Derivatives of Chromone. Struct Chem 16, 401–407 (2005). https://doi.org/10.1007/s01224-005-6349-0

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  • DOI: https://doi.org/10.1007/s01224-005-6349-0

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