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Crystal Structures of the Lithium Cryptates of Two Macrobicyclic Ligands Containing Pyridine, Bipyridine, and Biisoquinoline Units

✍ Scribed by Michèle Cesario; Jean Guilhem; Claudine Pascard; Elke Anklam; Jean-Marie Lehn; Marek Pietraszkiewicz

Publisher
John Wiley and Sons
Year
1991
Tongue
German
Weight
304 KB
Volume
74
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

The crystal structures of the LiBr complexes of two macrobicyclic ligands, [py.py.bpy]1 and [py.biqi.biqi] 2, have been determined. They confirm the cryptate nature of these species. In 3, the Li^+^ cation is bound in the shallow cavity of a ligand of flattened shape, whereas in 4, it is buried inside the macrobicycle and surrounded by its three bridges.

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