Organic compound with xanthene as core and use thereof
An organic compound, xanthene technology, applied in the field of organic optoelectronic materials, can solve problems such as disparity, and achieve the effects of avoiding aggregation, improving current efficiency and lifetime, improving exciton utilization and high fluorescence radiation efficiency.
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[0062] Example 1: Synthesis of Compound 1:
[0063] synthetic route:
[0064]
[0065] In a 250ml three-necked flask, under the protection of nitrogen, add 0.01mol of raw material A1, 0.024mol of raw material B1, 0.04mol of sodium tert-butoxide, 1×10 -4 molpd 2 (dba) 3 , 1×10 -4 mol tri-tert-butyl phosphorus, 250ml of toluene, heated to reflux for 24 hours, sampling point plate, the reaction is complete; natural cooling, filtration, filtrate rotary evaporation, column chromatography to obtain the target product, HPLC purity 99.2%, yield 69.1%;
[0066] Elemental analysis structure (molecular formula C 65 H 64 N 2 O): Theoretical value C, 87.80; H, 7.25; N, 3.15; O, 1.80; Test value: C, 87.79; H, 7.24; N, 3.16; O, 1.81.
[0067] HPLC-MS: The molecular weight of the material is 889.22, and the measured molecular weight is 889.58.
Example Embodiment
[0068] Example 2: Synthesis of Compound 3:
[0069] synthetic route:
[0070]
[0071] In a 250ml three-necked flask, under the protection of nitrogen, add 0.01mol of raw material A2, 0.012mol of raw material B2, 0.03mol of sodium tert-butoxide, 5×10 -5 mol pd 2 (dba) 3 , 5×10 -5 mol tri-tert-butylphosphorus, 150ml of toluene, heated at reflux for 24 hours, sampling point plate, the reaction is complete; natural cooling, filtration, filtrate rotary evaporation, column chromatography to obtain the target product, HPLC purity 99.3%, yield 71.3%;
[0072] Elemental analysis structure (molecular formula C 55 H 38 N 2 O): Theoretical value C, 88.92; H, 5.16; N, 3.77; O, 2.15; Test value: C, 88.93; H, 5.15; N, 3.78; O, 2.14.
[0073] HPLC-MS: The molecular weight of the material is 742.90, and the measured molecular weight is 743.27.
Example Embodiment
[0074] Example 3: Synthesis of Compound 7:
[0075] synthetic route:
[0076]
[0077] In a 250ml three-necked flask, under the protection of nitrogen, add 0.01mol of raw material A3, 0.012mol of raw material B3, 0.03mol of sodium tert-butoxide, 5×10 -5 mol pd 2 (dba) 3 , 5×10 -5 mol tri-tert-butylphosphorus, 150ml toluene, heated to reflux for 24 hours, sampling point plate, the reaction is complete; natural cooling, filtration, filtrate rotary evaporation, column chromatography to obtain the target product, HPLC purity 99.7%, yield 75.4%;
[0078] Elemental analysis structure (molecular formula C 55 H 38 N 2 O): Theoretical value C, 88.92; H, 5.16; N, 3.77; O, 2.15; Test value: C, 88.95; H, 5.15; N, 3.76; O, 2.14.
[0079] HPLC-MS: The molecular weight of the material is 742.90, and the measured molecular weight is 743.31.
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