A simple yet effective strategy for synthesis of 5-aryl-8-quinolinolate-based electroluminophores with tunable emission wavelengths is presented. Two different pathways for the attachment of electron-donating or electron-withdrawing aryl groups to the 5-position of the quinolinolate ligand via Suzuki coupling were developed. A successful tuning in the emission color was achieved: the emission wavelength was found to correlate with the Hammett constant of the respective substituents, providing a powerful strategy for prediction of the optical properties of new electroluminophores.
Pohl, Radek; Montes, Victor A.; Shinar, Joseph; and Anzenbacher, Pavel Jr., "Red-green-blue Emission From Tris(5-aryl-8-quinolinolate)al(iii) Complexes" (2004). Chemistry Faculty Publications. 98.
Journal Of Organic Chemistry