- 急性毒性
口服-狗LDL0:1000 毫克/公斤; 腹腔-狗LDL0: 250 毫克/公斤
- 可燃性危险特性
可燃;燃烧产生有毒氮氧化物烟雾
- 储运特性
库房通风低温干燥
- 灭火剂
干粉、泡沫、砂土、二氧化碳, 雾状水
医药
合成路线 1(1. 合成:536-25-4)
产率:100%
合成条件:With hydrogen In methanol
实验步骤:将4-羟基-3-硝基 - 苯甲酸甲酯(500mg,2.54mmol)溶解在MEOH(10mL)中,然后加入10%钯碳(50mg,50%湿),并将反应置于1℃。 H2的大气压过夜。 将混合物通过CELITE#过滤除去催化剂,将滤液减压浓缩,得到小标题化合物(435mg,> 100%),其不经进一步纯化即可使用。 1 H NMR(300MHz,DMSO-d6)δ3.74(s,3H),4.78(br s,2H),6.70(d,J = 8.2Hz,1H),7.09(DD,J = 2.1,8.2Hz, 1H),7。24(d,J = 2.1Hz,1H), - 10(br s,1H)。 APCI MS MLZ 168 [C8H9NO3 + H] +。
参考文献:
- [1] Patent: WO2004/67529, 2004, A1. Location in patent: Page 179 [2] Patent: US2007/191603, 2007, A1. Location in patent: Page/Page column 25 [3] Journal of Medicinal Chemistry, 2016, vol. 59, # 13, p. 6201 - 6220 [4] Patent: WO2004/7491, 2004, A1. Location in patent: Page 72-73 [5] Journal of Organometallic Chemistry, 2013, vol. 747, p. 189 - 194 [6] Patent: US6365736, 2002, B1. Location in patent: Example 4 [7] Journal of Organic Chemistry, 2006, vol. 71, # 17, p. 6374 - 6381 [8] Letters in Drug Design and Discovery, 2012, vol. 9, # 6, p. 625 - 632 [9] Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2004, vol. 43, # 10, p. 2243 - 2244 [10] Chemische Berichte, 1897, vol. 30, p. 991 [11] Patent: DE97334, [12] Die Fabrikation pharmazeutischer und chemisch-technischer Produkte , S. 223, [13] Justus Liebigs Annalen der Chemie, 1900, vol. 311, p. 55 [14] Journal of the Society of Chemical Industry, London, 1945, vol. 64, p. 212,214 [15] Journal of Heterocyclic Chemistry, 2008, vol. 45, # 4, p. 1187 - 1190 [16] Patent: US2008/305169, 2008, A1 [17] Acta Poloniae Pharmaceutica - Drug Research, 2008, vol. 65, # 4, p. 449 - 455 [18] Patent: EP2172453, 2010, A1. Location in patent: Page/Page column 15-16 [19] Patent: US2007/10670, 2007, A1. Location in patent: Page/Page column 96 [20] ChemCatChem, 2017, vol. 9, # 19, p. 3743 - 3751 [21] Patent: WO2018/53157, 2018, A1. Location in patent: Page/Page column 103; 104 [22] Patent: US2008/64871, 2008, A1. Location in patent: Page/Page column 59
合成路线 2(2. 合成:536-25-4)
产率:99%
合成条件:at 0 - 20℃; for 12 h; Heating / reflux
实验步骤:在0℃下制备在MeOH中的乙酰氯(3.0当量)溶液(0.2M),然后温热至20℃。 加入3-氨基-4-羟基苯甲酸(1.0当量),将混合物加热回流12小时,然后冷却并在VACUO中浓缩。 将残余物用H 2 O研磨并干燥,得到标题化合物(99%),为固体。 1 H NMR(300MHz,DMSO-D6,300K)8 3.83(s,3H),7.15(d,J 8.5Hz,1H),7.79(dd,J2.1,8.5Hz,1H),7.93( d,J 2.1Hz,1H),11.65(br s,1H)。
参考文献:
- [1] Journal of Medicinal Chemistry, 2005, vol. 48, # 5, p. 1314 - 1317 [2] Patent: WO2004/87714, 2004, A1. Location in patent: Page 53 [3] Patent: WO2014/95920, 2014, A1. Location in patent: Page/Page column 66 [4] European Journal of Organic Chemistry, 2011, # 1, p. 100 - 109 [5] Heterocycles, 2011, vol. 83, # 12, p. 2851 - 2856 [6] MedChemComm, 2014, vol. 5, # 4, p. 474 - 488 [7] European Journal of Medicinal Chemistry, 2004, vol. 39, # 3, p. 291 - 298 [8] European Journal of Medicinal Chemistry, 2011, vol. 46, # 9, p. 4419 - 4429 [9] CrystEngComm, 2011, vol. 13, # 24, p. 7207 - 7211 [10] Justus Liebigs Annalen der Chemie, 1900, vol. 311, p. 55 [11] Patent: DE97333, [12] Xenobiotica, 1995, vol. 25, # 5, p. 501 - 510 [13] Bioorganic and Medicinal Chemistry, 2008, vol. 16, # 14, p. 6724 - 6731 [14] Patent: US2009/176775, 2009, A1. Location in patent: Page/Page column 29-30 [15] Bioorganic and Medicinal Chemistry, 2018, vol. 26, # 14, p. 4001 - 4013
合成路线 3(3. 合成:536-25-4)
产率:95%
合成条件:at 20℃; for 16 h;
实验步骤:向[[3-氨基-4-羟基苯甲酸] [[100G,] [65MOL]]的甲醇(1. [5L]]溶液中加入[THIONYLCHLORIDE](233g,1。[96MOL]]滴 - 在[5-10℃]下搅拌并在[65℃]回流16小时。 蒸馏除去过量的甲醇和亚硫酰氯,并将粗品溶解在乙酸乙酯[(500ML)中。]将有机层用5%的[NAHCO 3]水溶液,水,盐水洗涤并干燥。 真空除去溶剂,得到3-氨基-4-羟基苯甲酸甲酯[(105G,] 95%)。
参考文献:
- [1] Patent: WO2004/7491, 2004, A1. Location in patent: Page 75