作为医药或农药中间体,用于相关药物或农药的合成。
医药; 农药
合成路线 1(1. 合成:120103-19-7)
产率:99%
合成条件:With hydrogen In methanol at 20℃; for 24.33 h;
实验步骤:将10%钯碳(921mg)加入到1-(苄氧基)-2,5-二氟-4-硝基苯(9.21g)的甲醇(300ml)溶液中,然后在室温下在氢气氛下搅拌。 24小时20分钟。 用氮气置换烧瓶的空气以停止反应,并使用硅藻土过滤除去催化剂。 减压蒸馏滤液,得到标题化合物(4.96g,99%),为浅棕色固体.1H-NMR谱(DMSO-d6)δ(ppm):4.67(1H,s),6.53-6.64( 1H,m),9.03(1H,s)。
参考文献:
- [1] Patent: US2008/214815, 2008, A1. Location in patent: Page/Page column 18 [2] Patent: EP2119706, 2009, A1. Location in patent: Page/Page column 45 [3] Patent: EP1889836, 2008, A1. Location in patent: Page/Page column 82 [4] Patent: WO2013/180949, 2013, A1. Location in patent: Paragraph 0183 [5] Patent: WO2014/22116, 2014, A2. Location in patent: Paragraph 0181 [6] Patent: US2015/37280, 2015, A1. Location in patent: Paragraph 0315 [7] Patent: EP1889836, 2008, A1. Location in patent: Page/Page column 84