Communication
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Helicates: Tetra- and Pentanuclear Double Helix Complexes of CuI and Poly(bipyridine) Strands†‡
†
We thank Dr. Jack Harrowfield and Dr. Jay Siegel for their contribution to the initial stages of this work, which was supported by the CNRS and, in part, by ORIS Industrie.
‡
Dedicated to Professor Edgar Lederer on the occasion of his 80th birthday
Graphical Abstract
Inorganic double helices having 2 and 2.5 turns are formed by the tetra- and penta(bipyridine) ligands 1 and 2, respectively, upon addition of Cu1 salts. These polynuclear complexes, in which the copper ions are aligned like a string of pearls, are estimated to be about 22 and 27 nm long, respectively.
