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Photoactive Cryptands. Crystal Structure of the Sodium Cryptate of the Tris(phenanthroline) Macrobicyclic Ligand

✍ Scribed by Aimery Caron; Jean Guilhelm; Claude Riche; Claudine Pascard; Béatrice Alpha; Jean-Marie Lehn; Juan-Carlos Rodriguez-Ubis

Publisher
John Wiley and Sons
Year
1985
Tongue
German
Weight
354 KB
Volume
68
Category
Article
ISSN
0018-019X

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## Abstract The NaBr cryptates of five macrobicyclic ligands containing bipyridine (bpy) and phenanthroline (phen) groups, __i.e__, of [bpy.bpy.bpy] **1** [bpy.bpy.phen] **2** [phen.phen.‐phen] **3** [2.1.phen] **4** and [2.2.phen] **5**, have been prepared. **1, 2, 4** and **5** have been obtained

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## 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 i

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ure 3 shows that the voltammogram does not display any oxidation wave before background, even in the presence of cryptand, introduced to stabilize the oxidized form of the alkali cation. The oxidation of Cse and the other alkali-metal ions in SO, is not unambiguous. It is surprising that Go, Na", a