4'-溴-N,N-二苯基-[1,1'-联苯]-4-胺(202831-65-0)作为关键中间体,广泛应用于有机光电材料合成,特别是在OLED(有机发光二极管)等电子器件领域,可用于制备高性能发光材料和电子传输层材料。
有机光电材料; 发光材料; 电子材料
合成路线 1(1. 合成:202831-65-0)
产率:87%
合成条件:With sodium carbonate In tetrahydrofuran-water
实验步骤:实施例1.13.1 4'-溴-N,N-二苯基 - [1,1'-联苯] -4-胺(35):( 4-(二苯基氨基)苯基)硼酸(1.5g,5.19mmol)的混合物 ),4-碘-1-溴苯(1.33g,4.71mmol),Na 2 CO 3(1.78g,16.8mmol)和Pd(PPh 3)4(0.163g,0.141mmol)的THF / H 2 O(28mL / 17mL)溶液。 脱气并将所得混合物在氩气氛下加热回流过夜。 冷却后,将混合物倒入二氯甲烷(150mL)中,然后用水(2×150mL)和盐水(100mL)洗涤。 有机相经Na 2 SO 4干燥,经快速柱色谱(硅胶,己烷/乙酸乙酯50:1)纯化,然后在二氯甲烷/甲醇中重结晶,得到白色固体(化合物35)(1.64g,收率87%)。
参考文献:
- [1] Journal of Organic Chemistry, 2017, vol. 82, # 18, p. 9435 - 9451 [2] Patent: US2010/326526, 2010, A1 [3] Patent: WO2011/8560, 2011, A1. Location in patent: Page/Page column 47-48 [4] RSC Advances, 2015, vol. 5, # 41, p. 32298 - 32306 [5] Patent: US9172051, 2015, B2. Location in patent: Page/Page column 67; 68; 69; 70; 71; 72; 75; 76
合成路线 2(2. 合成:202831-65-0)
产率:27%
合成条件:With 18-crown-6 ether; potassium carbonate In 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone at 180℃; for 37 h;
实验步骤:步骤1:4-(4-溴苯基)-4'-苯基 - 三苯胺的合成[0550]步骤1中的4-(4-溴苯基)-4'-苯基 - 三苯胺的合成方案如下所示( MI)。 [0552]在500mL三颈烧瓶中,22g(70mmol)4,4'-二溴联苯,8.5g(50mmol)二苯胺,1.9g(10mmol)铜(I)碘化物,2.6克(10毫摩尔)18-冠-6-醚,6.9克(50毫摩尔)碳酸钾和50毫升1,3-二甲基-3,4,5,6-四氢-2(1H) )放入嘧啶酮(缩写:DMPU),并将混合物在氮气氛下在180℃下搅拌37小时。[0553]反应后,向该反应混合物中加入500mL甲苯,并将该悬浮液过滤。 Florisil,硅胶,然后硅藻土。将得到的滤液用水洗涤。然后,加入硫酸镁以除去水分。将该悬浮液通过Florisil,氧化铝,硅胶,然后通过Celite过滤,得到滤液。将所得滤液浓缩,并通过硅胶柱色谱法(展开溶剂,甲苯:己烷= 1:4)纯化。浓缩所得级分,并向其中加入己烷和甲醇。用超声波照射混合物,然后重结晶,得到5.3g目标白色粉末,收率27%。
参考文献:
- [1] Tetrahedron, 2009, vol. 65, # 24, p. 4726 - 4734 [2] Tetrahedron, 2009, vol. 65, # 46, p. 9626 - 9632 [3] Chemical Communications, 2014, vol. 50, # 16, p. 2027 - 2029 [4] Macromolecules, 2005, vol. 38, # 5, p. 1640 - 1647 [5] Journal of Materials Chemistry, 2012, vol. 22, # 43, p. 23005 - 23011 [6] Journal of Organic Chemistry, 2004, vol. 69, # 3, p. 921 - 927 [7] Patent: WO2009/72587, 2009, A1. Location in patent: Page/Page column 205-206 [8] Patent: WO2009/139358, 2009, A1. Location in patent: Page/Page column 92-93 [9] Patent: WO2006/114921, 2006, A1. Location in patent: Page/Page column 60-62 [10] Journal of Polymer Science, Part A: Polymer Chemistry, 2016, vol. 54, # 13, p. 1945 - 1954 [11] Chemical Papers, 2016, vol. 70, # 9, p. 1238 - 1252
合成路线 3(3. 合成:202831-65-0)
产率:78%
合成条件:With dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH 2 Cl 2 ; sodium t-butanolate In tolueneInert atmosphere; Reflux; Sonication
实验步骤:将化合物I-1(12.5g,73.8mmol),4-溴-4'-碘化物(26.5g,73.8mmol)依次加入圆底烧瓶中.t-BuONa(10.7g,111mmol),Pd(dppf) )将Cl 2.CH 2 Cl 2(1.2g,1.47mmol)和超声脱氧的甲苯(1.5L)在氮气氛下回流过夜。 冷却反应溶液后,使用乙酸乙酯。 酯化和水处理,所得有机层用MgSO 4干燥,减压蒸发溶剂。得到化合物II-1的粗产物。以硅氧烷为固定相,二氯甲烷/己烷作为洗脱液,粗产物经柱 色谱法。得到化合物II-1(23.0g,78%)。
参考文献:
- [1] Patent: CN107827873, 2018, A. Location in patent: Paragraph 0048; 0049; 0050 [2] Chemistry - A European Journal, 2010, vol. 16, # 5, p. 1470 - 1479 [3] Patent: CN108503556, 2018, A. Location in patent: Paragraph 0058; 0059; 0063; 0064 [4] Patent: KR2015/65146, 2015, A. Location in patent: Paragraph 0119-0121 [5] Patent: US2007/179318, 2007, A1. Location in patent: Page/Page column 14 [6] Patent: US2008/108832, 2008, A1. Location in patent: Page/Page column 53 [7] Patent: EP2177516, 2010, A1. Location in patent: Page/Page column 48 [8] Patent: EP2364980, 2011, A1. Location in patent: Page/Page column 73 [9] Patent: EP2364980, 2011, A1. Location in patent: Page/Page column 91-92 [10] Patent: EP2399906, 2011, A1. Location in patent: Page/Page column 25-26; 37 [11] Patent: EP2589596, 2013, A1. Location in patent: Paragraph 0110 [12] RSC Advances, 2015, vol. 5, # 68, p. 55340 - 55347