Crystal structure of 2,8,14,20-tetranaphthylpyrogallol[4]arene

Cesar H. Zambrano, Jorden P. Kass, Eric Efrain Dueno, Yanxiong Ke, Hong Cai Zhou

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3 Scopus citations


The aromatic derivative 2,8,14,20-tetranaphthylpyrogallol[4]arene was synthesized by the acid catalyzed condensation of 2-naphthaldehyde and pyrogallol in refluxing aqueous ethanol. Single crystal X-ray analysis revealed that the molecule crystallizes in a triclinic space group P1(bar) No. 2, with a=11.3396(7) Å, b=15.9942(10) Å, c=26.3653(17) Å, α=94.309(2)°, β=91.765(2)°, γ=93.892(2)°, D calc=1.298 g/m 3 for Z=1. Within the unit cell, six methanol molecules of crystallization plus one molecule of pyrazine were found to accompany the pyrogallol macrocycle. In the solid state, the macrocycle is found to adopt the chair conformation.

Original languageEnglish
Pages (from-to)67-70
Number of pages4
JournalJournal of Chemical Crystallography
Issue number1
StatePublished - Jan 2006
Externally publishedYes


  • Chair conformation
  • Crystal structure
  • Naphthyl
  • Pyrogallol[4]arene


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