| 摘要 |
PROBLEM TO BE SOLVED: To produce a red phosphorescent material that emits light with excellent color and has easy sublimation and evaporation.SOLUTION: A compound represented by the general formula (10) and a compound represented by the general formula (11) are reacted, where A represents an aromatic heterocycle including nitrogen atoms, B represents an aromatic ring or an aromatic heterocycle, and Rto Reach represent an alkyl group, an aryl group, or the like with at least one thereof including a fluorine atom.) |
