Alan Kennedy, Mehmet Akkurt, Shaaban K Mohamed, AA Andelhamid, AAE marzouk

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In the title compound, C19H16BrClO4, both the fused xanthene rings and one of the cyclohexane rings adopt envelope conformations, while the other cyclohexane ring is in a chair conformation. In the crystal, molecules are linked by C-H...O hydrogen bonds, forming infinite chains running along [10-1] incorporating R22(16) ring motifs. In addition, C-H...[pi] interactions and weak [pi]-[pi] stacking interactions [centroid-centroid distance = 3.768 (3) Å] help to consolidate the packing.
Original languageEnglish
Pages (from-to)o769-o770
Number of pages2
JournalActa Crystallographica Section E: Structure Reports
Publication statusPublished - 2013


  • 14-bromo
  • 12-chromo
  • 16-dioxapentacyclohenicosa
  • C19H16BrClO4
  • cyclohexane ring


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