Chemistry:2-Phenylpyridine
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| Names | |||
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| Preferred IUPAC name
2-Phenylpyridine | |||
| Other names
2-Azabiphenyl
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| Identifiers | |||
3D model (JSmol)
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| EC Number |
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| MeSH | C058324 | ||
PubChem CID
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| Properties | |||
| C11H9N | |||
| Molar mass | 155.200 g·mol−1 | ||
| Appearance | Colorless oil | ||
| Density | 1.086 g/mL | ||
| Boiling point | 268–270 °C (514–518 °F; 541–543 K) | ||
| Low | |||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |||
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Tracking categories (test):
2-Phenylpyridine is an organic compound with the formula C6H5C5H4N (or C11H9N). It is a colourless viscous liquid. The compound and related derivatives have attracted interest as precursors to highly fluorescent metal complexes of possible value as organic light emitting diodes (OLEDs).[1]
The compound is prepared by the reaction of phenyl lithium with pyridine:[2]
- C6H5Li + C5H5N → C6H5-C5H4N + LiH
The reaction of iridium trichloride with 2-phenylpyridine proceeds via cyclometallation to give the chloride-bridged complex:[3][4]
- 4 C6H5-C5H4N + 2 IrCl3(H2O)3 → Ir2Cl2(C6H4-C5H4N)4 + 4 HCl
This complex can be converted to the pictured tris(cyclometallated) derivative tris(2-phenylpyridine)iridium.
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References
- ↑ Eli Zysman-Colman, ed (2017). Iridium(III) in Optoelectronic and Photonics Applications. John Wiley & Sons. ISBN 978-1-119-00713-5.
- ↑ Evans, J. C. W.; Allen, C. F. H. (1938). "2-Phenylpyridine". Organic Syntheses 18: 70. doi:10.15227/orgsyn.018.0070.
- ↑ Lamansky, S.; Djurovich, P.; Murphy, D. et al. (2001). "Synthesis and Characterization of Phosphorescent Cyclometalated Iridium Complexes". Inorganic Chemistry 40 (7): 1704–1711. doi:10.1021/ic0008969. PMID 11261983.
- ↑ Kip A. Teegardin, Jimmie D. Weaver (2018). "Preparation of Fac-Tris(2-Phenylpyridinato) Iridium(III)". Org. Synth. 95: 29–45. doi:10.15227/orgsyn.095.0029. PMID 29962554.
Further reading
- Zhou, Guijiang; Wong, Wai-Yeung; Yang, Xiaolong (2011). "New Design Tactics in OLEDs Using Functionalized 2-Phenylpyridine-Type Cyclometalates of Iridium(III) and Platinum(II)". Chemistry: An Asian Journal 6 (7): 1706–1727. doi:10.1002/asia.201000928. PMID 21557486.
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