. Hz, 3 Hz, 2H) e) Synthesis of bis4-difluorophenyl)pyridine))(5-(4-(6,6 " -dicyano- terpyridin-4'-yl)phenyl)picolinic acid)iridium complex (Ir2) To a solution of Ir1 (250 mg, 0.323 mmol) in degassed toluene, anhydrous potassium carbonate

2. Hz, 55 (d, J = 8.3 Hz

J. =. Ddd, (ddd, J = 7.3, 5.9, 1.3 Hz, 1H, p.89, 2002.

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9. Hz, -0.29 (s, 4H
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2. Hz and J. =. , g) Synthesis of the [Eu(L1)(TTA)] complex A suspension of ligand L1 (34.3 mg, 0.093 mmol) in methanol (7 mL) was reacted with triethylamine (26 µL, 0.19 mmol) to give a clear solution mmol) in methanol (3 mL) The resulting reaction mixture was left at room temperature for crystallization, Hz, 6H, CH2), 2.25-2.18 (m, 4H, HC2), 1.88-1.80 (m, 4H, HC3), 1.78 (dbr, 4H, H5) 7.1 Hz, 6H, HC8) Elemental analysis calcd (%) for C72H74N23NdS4 · 0.6 MeOH · 2.6 H2O: C 54.50, H 5 mL) and in the presence of triethylamine The microcrystalline yellowish product obtained was filtered, washed with methanol and dried under vacuum to afford 51.1 mg (75%) complex, pp.517874-517875

4. Hz, 24 (d, J = 5.3 Hz

2. Hz, 75 (d, J = 8.6 Hz, p.56

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