未明确具体用途描述,仅通过合成路线推测可能用于医药或农药相关中间体合成。
医药; 农药
合成路线 1(1. 合成:95928-49-7)
产率:99%
合成条件:for 1.50 h; Heating / reflux
实验步骤:步骤11c:2-氧代-1,2-二氢嘧啶-5-羧酸乙酯(化合物0404)将0403(2.50g,14.7mmol)和溴(2.40g,15mmol)在乙酸(55mL)中的溶液加热 回流1.5小时。 除去溶剂,得到粗产物0404(3.60g,99%):LCMS:169 [M + 1] +,1H NMR(400MHz,CDCl3):δ1.27(t,J = 7.2Hz,3H),4.28(q ,J = 7.2Hz,2H),8.85(s,2H),12.19(ds,2H)。
参考文献:
- [1] Patent: US2009/76006, 2009, A1. Location in patent: Page/Page column 31; 40 [2] Patent: WO2018/85342, 2018, A1. Location in patent: Page/Page column 26; 27 [3] Chemical and Pharmaceutical Bulletin, 2000, vol. 48, # 10, p. 1504 - 1513 [4] Patent: US2011/152295, 2011, A1. Location in patent: Page/Page column 24 [5] Patent: WO2011/130628, 2011, A1. Location in patent: Page/Page column 138 [6] Patent: WO2009/36016, 2009, A1. Location in patent: Page/Page column 69 [7] Patent: US9249156, 2016, B2. Location in patent: Page/Page column 34 [8] Patent: JP2015/187145, 2015, A. Location in patent: Paragraph 0201
合成路线 2(2. 合成:95928-49-7)
产率:3.6 g
合成条件:for 1.50 h; Reflux
实验步骤:步骤10c:2-氧代-1,2-二氢嘧啶-5-羧酸乙酯(化合物0304)化合物0303(2.50g,14.7mmol)和溴(2.40g,15mmol)在乙酸中的溶液(55) 将mL)加热回流1.5小时。 除去溶剂,得到粗化合物0304(3.60g,99%),将其不经进一步纯化直接用于下一步:LCMS:169 [M + 1] +,1H NMR(400MHz,CDCl3):δ1.27(t, J = 7.2Hz,3H),4.28(q,J = 7.2Hz,2H),8.85(s,2H),12.19(ds,2H)。
参考文献:
- [1] Patent: US2013/102595, 2013, A1. Location in patent: Paragraph 0215