Investigation of structural characteristics of bis(β-diketonato)copper(II) complexes containing alkoxy or aryloxy side chains

Joseand A. Campo, Mercedes Cano*, Joseand V. Heras, M. Cristina Lagunas, Josefina Perles, Elena Pinilla, M. Rosario Torres

*Corresponding author for this work

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Copper(II) complexes containing β-diketonato ligands of the general formula [Cu(4-RO)C 6H 4COCHCOC 6H 4(4-OR)} 2] 3 (R = Bu) or 4 (R = Ph) were prepared and their structures solved by X-ray diffraction. The crystal structure of the parent ligand (4-BuO)C 6H 4COCH 2COC 6H 4(4-OBu) 1 was also solved. The influence of the different side chains 4-RO - C 6H 4 (R = Bu or Ph) on potential liquid-crystal properties was investigated for both the ligands and the copper derivatives. The presence of BuO substituents at the aromatic rings appears to improve the molecular linearity with respect to 1,3-diphenylpropane-1,3-dione (=dibenzoylmethane; DBM), this feature being of interest for rod-like structures. On the other hand, the molecular structure of the copper(II) complexes 3 and 4 showed a flat core almost unmodified by the different peripherical substituents. A columnar arrangement was observed for both compounds 3 and 4, but, additionally, a layer-like disposition was also found in 3, which was proved to be a metallomesogen.

Original languageEnglish
Pages (from-to)2316-2329
Number of pages14
JournalHelvetica Chimica Acta
Volume84
Issue number8
DOIs
Publication statusPublished - 23 Oct 2001
Externally publishedYes

ASJC Scopus subject areas

  • Catalysis
  • Biochemistry
  • Drug Discovery
  • Physical and Theoretical Chemistry
  • Organic Chemistry
  • Inorganic Chemistry

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