化学合成。
化学合成
合成路线 1(1. 合成:2620-76-0)
产率:90%
合成条件:With trichlorophosphate In 1,4-dioxane at 100℃;
实验步骤:例1.3.2;9; 2-(4-溴苯基)-1-苯基-1H-苯并[d]咪唑(9):酰胺1(9.6g,26mmol)的无水1,4-二恶烷(100mL)悬浮液 缓慢加入三氯氧化磷(POCl 3)(9.2mL,100mmol)。 然后将整体在100℃加热过夜。 冷却至室温后,在搅拌下将混合物倒入冰(200g)中。 过滤,然后在DCM /己烷中重结晶,得到浅灰色固体(化合物9)(8.2g,收率90%)。
参考文献:
- [1] Advanced Functional Materials, 2010, vol. 20, # 3, p. 399 - 408 [2] Journal of Materials Chemistry, 2012, vol. 22, # 43, p. 23005 - 23011 [3] Journal of Materials Chemistry C, 2013, vol. 1, # 11, p. 2217 - 2223 [4] Patent: WO2011/8560, 2011, A1. Location in patent: Page/Page column 30 [5] Patent: WO2011/34967, 2011, A1. Location in patent: Page/Page column 22 [6] Patent: US2011/62386, 2011, A1 [7] Patent: US2012/16449, 2012, A1 [8] Patent: US2012/15998, 2012, A1. Location in patent: Page/Page column 20 [9] Patent: WO2014/93353, 2014, A1. Location in patent: Paragraph 121 [10] Journal of Materials Chemistry C, 2014, vol. 2, # 46, p. 9858 - 9865 [11] Patent: US9425408, 2016, B2. Location in patent: Page/Page column 17 [12] Patent: WO2016/209895, 2016, A1. Location in patent: Paragraph 15; 17-18 [13] Patent: EP1602648, 2005, A1. Location in patent: Page/Page column 32 [14] Patent: CN104073249, 2016, B. Location in patent: Paragraph 0065; 0070; 0071; 0072 [15] Patent: CN104030988, 2016, B. Location in patent: Paragraph 0061; 0063-0066 [16] Patent: US2016/351828, 2016, A1. Location in patent: Paragraph 0134 [17] Chemistry - An Asian Journal, 2018, vol. 13, # 10, p. 1335 - 1341
合成路线 2(2. 合成:2620-76-0)
产率:94%
合成条件:Stage #1: With triethylamine In dichloromethane at 0 - 20℃; Stage #2: With trichlorophosphate In 1,4-dioxane at 115℃; for 1 h;
实验步骤:化合物1(Ge,Z .; Hayakawa,T .; Ando,S .; Ueda,M .; Akiike,T .; Miyamoto,H .; Kajita,T .; Kakimoto,M.Chem.Mater.2008,20(如下制备7),2532-2537):冷却(约0℃),搅拌的N-苯基 - 邻 - 亚苯基-1,2-二胺(21.41g,116.2mmol)在无水二氯甲烷中的溶液向(CH 2 Cl 2)(575mL)中分批加入4-溴苯甲酰氯(25.00g,113.9mmol),然后滴加三乙胺(Et 3 N)(31.8mL)。使反应温热至室温并继续搅拌直至TLC(SiO 2,4:1己烷 - 乙酸乙酯)表明原料消耗。完成后,将反应用水和盐水洗涤,经MgSO 4干燥,过滤并真空浓缩。然后将所得粗产物溶于无水1,4-二恶烷(500mL)中并加热至约80℃。完全溶解后,通过注射器将磷酰氯(31.2mL,335mmol)缓慢加入溶液中,然后反应保持在约115℃。完成后(约1小时),将溶液冷却至室温(RT)并倾倒在CH 2 Cl 2(约3L)上并用盐水洗涤。然后将有机物用MgSO 4干燥,过滤并真空浓缩。通过从CH 2 Cl 2和己烷中重结晶纯化粗产物,得到化合物1(37.5g,94%),为灰白色固体:通过LCMS(APCI)确认:C 19 H 13 BrN 2(M +)的计算值:349;实测值:349。发现:349。
参考文献:
- [1] Patent: US9112159, 2015, B2. Location in patent: Page/Page column 43 [2] Patent: US2011/62386, 2011, A1 [3] Patent: US2012/16449, 2012, A1 [4] Inorganic Chemistry, 2017, vol. 56, # 16, p. 9979 - 9987 [5] Journal of Materials Chemistry C, 2017, vol. 5, # 47, p. 12553 - 12560
合成路线 3(3. 合成:2620-76-0)
产率:90%
合成条件:With trichlorophosphate In 1,4-dioxane at 100℃;
实验步骤:实施例1.1.22-(4-溴苯基)-1-苯基-1H-苯并[d]咪唑(2):酰胺1(9.6g,26mmol)的无水1,4-二恶烷(100mL)悬浮液 缓慢加入三氯氧化磷(POCl 3)(9.2mL,100mmol)。然后将整个混合物在100℃加热过夜。冷却至室温后,将混合物在搅拌下倒入冰(200g)中。过滤,然后 在DCM /己烷中重结晶,得到浅灰色固体2(8.2g,收率90%)。
参考文献:
- [1] Patent: US2011/251401, 2011, A1. Location in patent: Page/Page column 18 [2] Patent: WO2012/88294, 2012, A1. Location in patent: Page/Page column 14 [3] Patent: US2015/87685, 2015, A1. Location in patent: Paragraph 0102; 0105