Organic electroluminescent device containing triazine compound and application thereof
A technology of electroluminescent devices and compounds, applied in the field of organic electroluminescent devices, can solve the problems of low S1 state radiation transition rate, difficult high exciton utilization rate, high fluorescence radiation efficiency, efficiency roll-off, etc.
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Embodiment 1
[0093] Example 1 Synthesis of Compound 1
[0094]
[0095] In a 250ml four-necked flask, add 0.01mol 2-(4-bromopyridin-2-yl)-4,6-diphenyl-[1,3,5]triazine, 0.015mol12 under a nitrogen atmosphere. ,12-Dimethyl-12,14-dihydrobenzofuran[2,3-h]indole[2,1-b]carbazole, 0.03mol sodium tert-butoxide, 1×10 -4 mol Pd 2 (dba) 3 , 1×10 -4 mol of tri-tert-butyl phosphine, 150 ml of toluene, heating and refluxing for 24 hours, sampling point plate, reaction complete, natural cooling, filtration, rotary evaporation of the filtrate, and silica gel column to obtain the target product with a purity of 99.20% and a yield of 45.39%.
[0096] HPLC-MS: The molecular weight of the material is 681.25, and the measured molecular weight is 681.53.
Embodiment 2
[0097] Example 2 Synthesis of Compound 12
[0098]
[0099] In a 250ml four-necked flask, add 0.01mol 2-(4-bromophenyl)-4-naphthyl-2-yl-6-pyridin-3-yl-[1,3,5 under a nitrogen atmosphere ] Triazine, 0.015molM1, 0.03mol sodium tert-butoxide, 1×10 -4 mol Pd 2 (dba) 3 , 1×10 -4 mol of tri-tert-butyl phosphine, 150 ml of toluene, heating and refluxing for 24 hours, sampling point plate, reaction complete, natural cooling, filtration, rotary evaporation of the filtrate, and silica gel column to obtain the target product with a purity of 98.36% and a yield of 52.23%.
[0100] HPLC-MS: The molecular weight of the material is 737.21, and the measured molecular weight is 737.23.
Embodiment 3
[0101] Example 3 Synthesis of Compound 16
[0102]
[0103] In a 250ml four-necked flask, add 0.01mol 2-(3-bromophenyll)-4,6-diphenyl-[1,3,5]triazine, 0.015molM2, 0.03mol under a nitrogen atmosphere Sodium tert-butoxide, 1×10 -4 mol Pd 2 (dba) 3 , 1×10 -4 mol of tri-tert-butyl phosphine, 150 ml of toluene, heating and refluxing for 24 hours, sampling point plate, reaction complete, natural cooling, filtration, rotary evaporation of the filtrate, and silica gel column to obtain the target product with a purity of 98.96% and a yield of 36.98%.
[0104] HPLC-MS: The molecular weight of the material is 736.26, and the measured molecular weight is 736.38.
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