Diarylamine compound and organic electroluminescent device containing same
A compound and aromatic amine technology, applied in the field of organic electroluminescent devices, can solve the problems such as development has not been fully realized, and achieve the effects of excellent film phase stability, excellent hole migration ability, and high glass transition temperature
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[0142] Embodiment 1: the synthesis of compound 1
[0143]
[0144] In the three-necked flask, under the protection of nitrogen, add 0.012mol raw material X-1, 0.01mol raw material P-1, 150ml toluene and stir to mix, then add 5×10 -5 mol Pd 2 (dba) 3 , 5×10 -5 mol of tri-tert-butylphosphine, 0.03mol of sodium tert-butoxide, heated to reflux for 12 hours, sampled and plated, showed that no amino compound remained, and the reaction was complete. Natural cooling, filtration, rotary evaporation of the filtrate, passing through a silica gel column (silica gel 100-200 mesh, eluent: chloroform: n-hexane = 30:70 (volume ratio)), to obtain the intermediate naturally cooled to room temperature, filtration, rotary evaporation of the filtrate Until there is no fraction, pass through a neutral silica gel column to obtain intermediate M-1 with a purity of 98.63% and a yield of 75.06%;
[0145] In the three-necked flask, under the protection of nitrogen, add 0.01mol intermediate M-1, 0...
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