Enantioselective assembling into tetra- and octanuclear structures by deprotonation of copper(II) complexes of N-[(5-methylimidazol-4-yl)methylidene]- dl-phenylalanine and its l-form ligand

Tomohiro Oishi, Tomotaka Hashibe, Saori Takahashi, Hiroaki Hagiwara, Naohide Matsumoto, Yukinari Sunatsuki

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6 Citations (Scopus)

Abstract

Two copper(II) complexes with the protonated ligands [Cu IIClHL dl] and [Cu IIClHL l] were prepared, where HL dl denotes N-[(5-methylimidazol-4-yl)methylidene]- dl-phenylalanine and HL l denotes its l-form ligand. The deprotonation of [Cu IIClHL dl] at the imidazole moiety gave an imidazolato-bridged cyclic tetranuclear arrayed [Cu IIL d(H 2O)] and [Cu IIL l(H 2O)] species, while the deprotonation of [Cu IIClHL l] gave an octanuclear structure [Cu II 8L l 8·4H 2O] in which two cyclic tetranuclear species are linked by an intertetramer Cu-O (carboxylate) coordination bond.

Original languageEnglish
Pages (from-to)209-217
Number of pages9
JournalPolyhedron
Volume33
Issue number1
DOIs
Publication statusPublished - Feb 9 2012

Keywords

  • 5-Methyl-4-formylimidazole
  • Assembly process
  • Copper(II) complex
  • Deprotonation reaction
  • Polynuclear complex
  • dl-Phenylalanine
  • l-Phenylalanine

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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