1,3,5-三(4-溴苯基)苯是一种有用的研究化学品,可用作有机中间体。
实验室研发过程中;化工医药合成过程中
合成路线 1(1. 合成:7511-49-1)
- 步骤:在装有冷凝器的圆底烧瓶中,将芳基烷基酮(3mmol)和硫酸化钨酸盐(20wt%)的混合物在130℃下搅拌,通过TLC监测反应进程。芳基烷基酮消失后,继续反应2小时。冷却反应混合物,用30mL乙酸乙酯稀释并过滤以回收催化剂。将滤液用10mL水洗涤,用硫酸钠干燥并减压浓缩。残余物通过硅胶(60-120)柱色谱纯化,用(PE:EA = 9:1)作为洗脱剂,得到纯的1,3,5-芳基苯。
- 条件:With sulfated tungstate In neat (no solvent) at 130℃; for 10 h
- 产率:84%
- 参考文献:[1] Synthetic Communications, 2013, vol. 43, #16, p.2178-2190;[2] RSC Advances, 2015, vol.5, #27, p.21206-21214;[3] Journal of the Iranian Chemical Society, 2012, vol.9, #5, p.791-798;[4] European Journal of Organic Chemistry, 2014, vol.2014, #14, p.2907-2916;[5] Synthetic Communications, 2005, vol.35, #24, p.3167-3171;[6] Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2006, vol.45, #12, p.2781-2783;[7] Chemistry - A European Journal, 2012, vol.18, #20, p.6172-6182;[8] RSC Advances, 2016, vol.6, #60, p.55319-55326;[9] Polyhedron, 2012, vol.31, #1, p.721-728;[10] Tetrahedron Letters, 2017, vol.58, #31, p.3032-3036;[11] Chemical Communications, 2018, vol.54, #81, p.11475-11478;[12] Synthetic Communications, 2012, vol.42, #24, p.3569-3578;[13] RSC Advances, 2015, vol.5, #15, p.10869-10877;[14] Journal of the American Chemical Society, 2017, vol.139, #5, p.2053-2059;[15] Journal of Materials Chemistry, 2002, vol.12, #2, p.206-212;[16] Green Chemistry, 2010, vol.12, #8, p.1370-1372;[17] Journal of the Chemical Society, Perkin Transactions 1, 2000, #16, p.2695-2701;[18] Journal of Chemical Research, 2007, #12, p.720-721;[19] New Journal of Chemistry, 2002, vol.26, #3, p.291-297;[20] Advanced Synthesis and Catalysis, 2013, vol.355, #5, p.957-972;[21] Chemistry - A European Journal, 2015, vol.21, #51, p.18576-18579;[22] RSC Advances, 2016, vol.6, #102, p.100195-100202;[23] Tetrahedron Letters, 1991, vol.32, #33, p.4175-4176;[24] European Journal of Organic Chemistry, 2004, #19, p.4003-4013;[25] European Journal of Organic Chemistry, 2008, #18, p.3129-3140;[26] Comptes Rendus Chimie, 2013, vol.16, #3, p.252-256;[27] Journal of Chemical Research - Part S, 2003, #12, p.778-779;[28] Synlett, 2008, #15, p.2365-2367;[29] Synthetic Communications, 2009, vol.39, #22, p.4117-4121;[30] RSC Advances, 2013, vol.3, #6, p.1902-1915;[31] Tetrahedron Letters, 2012, vol.53, #19, p.2436-2439;[32] Tetrahedron Letters, 2018, vol.59, #11, p.1023-1027;[33] Chemical Communications, 2014, vol.50, #43, p.5737-5740;[34] Journal of Materials Chemistry C, 2015, vol.3, #7, p.1582-1587;[35] Macromolecules, 2003, vol.36, #22, p.8353-8360;[36] Tetrahedron Letters, 2009, vol.50, #30, p.4335-4339;[37] Inorganic Chemistry, 2013, vol.52, #13, p.7311-7313;[38] Journal of Organic Chemistry, 2004, vol.69, #18, p.6050-6058;[39] Chemistry of Materials, 2017, vol.29, #24, p.10469-10477;[40] Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1988, p.1251-1258;[41] Journal of the American Chemical Society, 1953, vol.75, p.5959;[42] Tetrahedron Letters, 2005, vol.46, #46, p.7871-7875;[43] Journal of Materials Chemistry, 2011, vol.21, #34, p.12958-12963;[44] Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2011, vol.71, #1-2, p.113-120;[45] Journal of Materials Chemistry, 2012, vol.22, #10, p.4502-4510;[46] Patent: EP2586766, 2013, A1. Location in patent: Paragraph 0085;[47] CrystEngComm, 2016, vol.18, #42, p.8147-8150;[48] Angewandte Chemie - International Edition, 2016, vol.55, #47, p.14614-14617;[49] Angew. Chem., 2016, vol.128, p.14834-14837,4;[50] Chemistry - A European Journal, 2018, vol.24, #18, p.4547-4551
合成路线 2(3. 合成:7511-49-1)
- 步骤:将4-溴苯乙酮(7.962g,40mmol)和原甲酸乙酯(8mL,48mmol)溶解在烧瓶中的苯(24mL)中。在室温和搅拌下将气态氯化氢鼓泡通过溶液3小时。溶液变成棕红色,在第一个小时内开始形成沉淀。滤出所得沉淀物,用丙酮和甲醇洗涤,并干燥。从氯仿中重结晶的产物。
- 条件:With hydrogenchloride In benzene at 20℃; for 3 h
- 产率:43.6%
- 验证:合成产物的1H NMR光谱(500MHz),δ:7.68(s,3H);7.60(d,6 H,J = 8.5 Hz);7.53(d,6 H,J = 8.5 Hz)完全对应于1,3,5-三(4-溴苯基)苯的1H NMR光谱。
- 参考文献:[1] Russian Chemical Bulletin, 2018, vol.67, #8, p.1433-1439;[2] Izv. Akad. Nauk, Ser. Khim., 2018, #8, p.1433-1439,7