| abstract |
The present disclosure generally relates to phenylenediamine compounds, which may be used as precursors in preparing diazaborole compounds and phosphorescent diazaborole metal complexes. The present disclosure also relates to diazaborole compounds, diazaborole metal complexes, and electroluminescent emission materials and electronic devices thereof. The present disclosure further relates to processes for preparing the phenylenediamine compounds and diazaborole metal complexes. |