Optically pure heterobimetallic helicates from self-assembly and click strategies
نویسندگان
چکیده
منابع مشابه
Optically pure heterobimetallic helicates from self-assembly and click strategies.
Single diastereomer, diamagnetic, octahedral Fe(II) tris chelate complexes are synthesised that contain three pendant pyridine proligands pre-organised for coordination to a second metal. They bind Cu(I) and Ag(I) with coordination geometry depending on the identity of the metal and the detail of the ligand structure, but for example homohelical (ΔFe,ΔCu) configured systems with unusual trigona...
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The reaction of the organogold metallaligand [(AuC[triple bond]Cbpyl)(2)(mu-Ph(2)P(CH(2))(4)PPh(2))] (bpyl = 2,2'-bipyridin-5-yl) with Fe(2+) or Zn(2+) ions gave helicates where the three ligand strands adopt a unique looped geometry.
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The reaction between the asymmetrical pyridyl ligands 3 (R) and 4 (S) and Eu(III) in CH(3)CN give rise to the formation of lanthanide luminescent 'half-helicates' in 1 : 3 (Ln:ligand) stoichiometry; the formation of which was observed by monitoring the changes in the ground and the excited state properties of the ligands, and in the time-resolved Eu-centred and the CPL emission.
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ژورنال
عنوان ژورنال: Dalton Transactions
سال: 2013
ISSN: 1477-9226,1477-9234
DOI: 10.1039/c3dt51725j