[structure: see text]. Several ligands based on the rigid, V-shaped structure of Tröger's base bearing 2,2'-bipyridine and 2-pyridylmethanimine moieties have been synthesized. These ligands undergo diastereoselective self-assembly to dinuclear double-stranded D2d-symmetric helicates upon coordination to copper(I) and silver(I) ions as elucidated by NMR techniques and ESI mass spectrometric methods.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/17346054