申请人:Yen Feng-Wen
公开号:US20210130383A1
公开(公告)日:2021-05-06
A compound having a first ligand of the following
is described. Ring A represents a monocyclic aromatic group or a polycyclic aromatic group. Ring B represents a polycyclic aromatic group. Z is a carbon. Z and the right N are coordinated to a metal to form a five-membered chelate ring. R
1
and R
2
independently represent mono to a maximum possible number of substitutions, or no substitution.
描述了具有以下第一配体的化合物。环A代表单环芳香基团或多环芳香基团。环B代表多环芳香基团。Z是碳。Z和右侧的N与金属配位形成五元螯合环。R1和R2独立地表示单个到可能的最大取代数,或不取代。