作为医药中间体,用于相关药物合成(具体用途需结合参考文献进一步确认)
医药
合成路线 1(1. 合成:104253-44-3)
产率:100%
合成条件:for 12 h; Reflux
实验步骤:将SOCl 2(1.5ml)加入到2-氯-4-羟基 - 苯甲酸(5g,0.03mmol)的甲醇(10ml)溶液中。 将混合物从室温缓慢升温至回流温度,将反应溶液回流12小时,减压浓缩,得到化合物132A(红色固体,5.4g,收率为100%).1 H NMR(400MHz,DMSO-d6)δ :10.71(s,1H),7.84-7.71(m,1H),6.91(d,J = 2.4Hz,1H),6.82(dd,J = 2.4,8.7Hz,1H),3.79(s,3H)。
参考文献:
- [1] Patent: EP3293177, 2018, A1. Location in patent: Paragraph 0332; 0333 [2] Patent: EP1764360, 2007, A1. Location in patent: Page/Page column 176-177 [3] Patent: WO2017/84629, 2017, A1. Location in patent: Paragraph 00316 [4] Patent: WO2017/84630, 2017, A1. Location in patent: Paragraph 00648 [5] Patent: WO2008/157330, 2008, A1. Location in patent: Page/Page column 87 [6] Journal of Medicinal Chemistry, 2002, vol. 45, # 26, p. 5755 - 5775 [7] ChemMedChem, 2014, vol. 9, # 1, p. 67 - 72 [8] Patent: WO2018/68295, 2018, A1. Location in patent: Page/Page column 55; 56