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Lanthanide-Based Complexes Containing a Chiral trans-1,2-Diaminocyclohexane (DACH) Backbone: Spectroscopic Properties and Potential Applications

期刊

CHEMPHOTOCHEM
卷 6, 期 2, 页码 -

出版社

WILEY-V C H VERLAG GMBH
DOI: 10.1002/cptc.202100143

关键词

circularly polarized luminescence; chiroptical properties; lanthanides; optical sensing

资金

  1. Italian Ministry of University and Research [20172M3K5N]
  2. University of Verona
  3. Universita degli Studi di Verona within the CRUI-CARE Agreement

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This minireview provides an overview of the use of the chiral molecule trans-1,2-diaminocyclohexane (DACH) in various fields. It focuses on the chemical-physical properties of lanthanide-based complexes containing DACH, discussing their interconnection with luminescence, structure, and thermodynamics. These complexes have potential applications in catalysis, biochemical, and pharmaceutical fields.
In this minireview, we give an overview on the use of the chiral molecule trans-1,2-diaminocyclohexane (DACH) in several fields of application. This chiral backbone is present in a variety of metal complexes which are employed in (enantioselective) catalysis, chiral discrimination, molecular recognition and supramolecular chemistry. Metal extraction and biochemical and pharmaceutical applications also use the DACH molecule. This contribution is particularly focused on the interesting chemical-physical properties discussed so far in the literature concerning lanthanide-based complexes containing chiral ligands characterized by the presence of DACH in the structure. In particular, the interconnection between luminescence (total and circularly polarized), structure and thermodynamics of Eu(III), Tb(III) and Sm(III) complexes will be discussed also in light of their use as optical or chiroptical probes for the sensing of important analytes dissolved in aprotic and protic polar solvents. Several complexes show potential interest in the solid state as phosphors for light emitting devices or for the detection of volatile organic compounds.

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