The temperature dependence of the emission lifetime of the series of complexes Ru(bpy),(4,4'-dpb): ? (bpy = 2,2'-bipyridine, 4,4'-dpb = 4,4'-diphenyL2,2'-bipyridine) has been studied in propionitrile/butyronitrile (4:5 u/u) solutions in the range 90-293 K. The obtained photophysical parameters show
The synthesis of polymers containing the 2,2′-bipyridine ligand
✍ Scribed by C. G. Pitt; Y. Bao; H. H. Seltzman
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1986
- Tongue
- English
- Weight
- 228 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0887-6258
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## Abstract A series of polyimides containing 2,2′‐bipyridine, 7, were synthesized by reaction of 4,4′‐diamino‐2,2′‐bipyridine (4) with various aromatic dianhydrides, followed by imidization upon heating. These polyimides are fairly thermostable, and 5% weight loss occurs in the range of 484°C‐580°
A series of macrocyclic receptors has been prepared containing bipyridine groups linked to two amino acids. Variations in both the amino acid and the linking spacer have been made. The structure of the resulting macrocycles has been investigated using 1H NMR spectroscopy and X-ray crystallography. T