Metallosupramolecular Architectures of Ambivergent Bis(Amino Acid) Biphenyldiimides

Stephanie A. Boer, David R. Turner

Research output: Contribution to journalArticleResearchpeer-review

2 Citations (Scopus)

Abstract

The metallosupramolecular chemistry of two enantiopure dicarboxylate ligands has been explored for their potential to form discrete or polymeric interlocked motifs. Consequently, both discrete and polymeric supramolecular complexes have been synthesised, yielding M2L2 metallomacrocycles (1 and 2), a heteroleptic M2L3 metallomacrobicycle (3), a non-interpenetrated coordination polymer (4), and highly unusual chiral M8L8 squares (5 and 6). There appears to be a preference for the ligands to form M2L2-type metallomacrocyclic structural units (which feature in 1–4), although these do not engage in any mechanical interlocking, which is perhaps a combined function of the ligand flexibility and relatively small pi-surface contrasted to previous analogues. Using copper paddlewheel SBUs, chiral double-walled squares (5 and 6) are formed with large internal cavities yet poor stabilities, unexpectedly featuring the paddlewheel motifs at the vertices of the polygonal complex.

Original languageEnglish
Pages (from-to)2853-2860
Number of pages8
JournalChemistry-An Asian Journal
Volume14
Issue number16
DOIs
Publication statusPublished - 16 Aug 2019

Keywords

  • chiral
  • coordination polymer
  • pi-interactions
  • self-assembly
  • supramolecular

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