Journal
ORGANIC CHEMISTRY FRONTIERS
Volume 6, Issue 8, Pages 1226-1235Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9qo00155g
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- Studienstiftung des deutschen Volkes
- Bonn International Graduate School of Chemistry
- Academy of Finland, Finland [298817]
- University of Jyvaskyla, Finland
- Academy of Finland (AKA) [298817, 298817] Funding Source: Academy of Finland (AKA)
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Two constitutionally isomeric chiral bis(pyridine) ligands based on planar chiral 4,15-difunctionalized [2.2]paracyclophanes were synthesized, the respective enantiomers were separated via HPLC on a chiral stationary phase, and their self-assembly behaviour upon coordination to palladium(ii) ions was studied with regard to chiral self-sorting effects. As proven by NMR spectroscopy, mass spectrometry, CD spectroscopy, UV-Vis spectroscopy and X-ray crystallography both ligands form the expected dinuclear complexes upon coordination to cis-protected di- or tetravalent palladium(ii) ions, respectively, however, with distinct differences concerning their chiral self-sorting ability.
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