Peripheral engineering of Ir(<scp>iii</scp>) emitters with imidazo[4,5-<i>b</i>]pyrazin-2-ylidene cyclometalates for blue organic light emitting diodes
Jie Yan, Yixin Wu, I-Che Peng, Yi Pan, Shek‐Man Yiu, Ken‐Tsung Wong, Wen‐Yi Hung, Yün Chi, Kai‐Chung Lau
Abstract
A new class of Ir( iii ) carbene complexes with dual N -aryl appendages, the isomeric products of which were successfully isolated and purified by column chromatography, were synthesized followed by catalytic isomerization at elevated temperature.
Topics & Concepts
IsomerizationCarbeneCatalysisArylPhotochemistryColumn chromatographyMaterials sciencePolymer chemistryChemistryOrganic chemistryAlkylOrganic Light-Emitting Diodes ResearchN-Heterocyclic Carbenes in Organic and Inorganic ChemistryCatalytic Cross-Coupling Reactions