化学合成。
化学合成
合成路线 1(1. 合成:4254-67-5)
产率:83%
合成条件:With phenyltrimethylammonium tribromide In tetrahydrofuran at 0℃;
实验步骤:向1-(4-(苄氧基)苯基)-2-溴乙酮的澄清溶液中加入澄清的1-(4-(苄氧基)苯基)乙酮(16.1g,71.2mmol)的四氢呋喃(200mL)溶液。 在0℃下滴加苯基三甲基三溴化铵(29.4g,78mmol)的四氢呋喃(150mL)溶液。 反应完成后,滤出不溶物质并用四氢呋喃洗涤。 蒸发滤液,黄色油状物从异丙醇中结晶。 (产量:17.99g,83%)。
参考文献:
- [1] Advanced Synthesis and Catalysis, 2018, vol. 360, # 7, p. 1376 - 1383 [2] Journal of the Indian Chemical Society, 2002, vol. 79, # 5, p. 469 - 471 [3] Patent: WO2015/16728, 2015, A1. Location in patent: Page/Page column 36; 37; 62 [4] Australian Journal of Chemistry, 2008, vol. 61, # 12, p. 991 - 999 [5] Marine Drugs, 2012, vol. 10, # 6, p. 1412 - 1421 [6] Patent: WO2017/153737, 2017, A1. Location in patent: Page/Page column 47 [7] Journal of the American Chemical Society, 2010, vol. 132, # 40, p. 14002 - 14003 [8] Patent: WO2005/92841, 2005, A1. Location in patent: Page/Page column 74 [9] RSC Advances, 2014, vol. 4, # 99, p. 56489 - 56501 [10] Chemical and Pharmaceutical Bulletin, 1984, vol. 32, # 8, p. 3066 - 3074 [11] Patent: US5106732, 1992, A [12] Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1979, vol. 17, p. 305 - 306 [13] Chemistry of Natural Compounds, 1975, vol. 11, p. 71 - 75 [14] Khimiya Prirodnykh Soedinenii, 1975, vol. 11, # 1, p. 73 - 77 [15] Analytical chemistry, 1980, vol. 52, # 12, p. 1815 - 1820 [16] Bioscience, Biotechnology, and Biochemistry, 1992, vol. 56, # 12, p. 1943 - 1948 [17] Journal of Labelled Compounds and Radiopharmaceuticals, 1997, vol. 39, # 12, p. 973 - 985 [18] Synthetic Communications, 1999, vol. 29, # 12, p. 2069 - 2078 [19] Patent: US6080754, 2000, A [20] Bioorganic and Medicinal Chemistry Letters, 2009, vol. 19, # 13, p. 3434 - 3438 [21] Synlett, 2012, vol. 23, # 12, p. 1797 - 1800 [22] Heterocycles, 2012, vol. 85, # 8, p. 1941 - 1948 [23] Journal of Organic Chemistry, 2013, vol. 78, # 12, p. 6276 - 6280 [24] Archiv der Pharmazie, 2014, vol. 347, # 2, p. 89 - 95 [25] Patent: WO2014/105926, 2014, A1. Location in patent: Paragraph 0247 [26] Journal of Agricultural and Food Chemistry, 2017, vol. 65, # 19, p. 3965 - 3974 [27] Chemical Communications (Cambridge, United Kingdom), 2018, vol. 54, # 86, p. 12182 - 12185 [28] Chemistry - A European Journal, 2018, vol. 24, # 72, p. 19156 - 19161
合成路线 2(2. 合成:4254-67-5)
产率:43%
合成条件:With silver carbonate In tetrahydrofuran at 0 - 20℃; for 16 h;
实验步骤:步骤1:1-(4-(苄氧基)苯基)-2-溴乙酮的制备向2-溴-1-(4-羟基苯基)乙酮(2g,9.3mmol)的四氢呋喃溶液(70mL)中 )加入碳酸银(5.128g,18.6mmol),将反应混合物冷却至0℃。 逐滴加入苄基溴(1.32mL,11.16mmol)并将反应混合物在室温下搅拌16小时。 将反应混合物通过硅藻土过滤,将滤液用乙酸乙酯(200mL)稀释,并用水(60mL×2)洗涤。 将有机层用无水硫酸钠干燥,过滤并浓缩。 使用6%乙酸乙酯的己烷溶液,通过柱色谱法纯化粗产物,得到标题1-(4-(苄氧基)苯基)-2-溴乙酮(1.22g,43%收率),为白色固体。 计算值M + H:306.17; 实测值M + H:306。
参考文献:
- [1] Patent: WO2016/49165, 2016, A1. Location in patent: Paragraph 00170