化学合成。
医药中间体
合成路线 1(1. 合成:35747-58-1)
产率:96%
合成条件:Stage #1: With hydrogenchloride; tin(ll) chloride In isopropyl alcohol for 1 h; Heating / reflux Stage #2: With sodium hydroxide In water; isopropyl alcohol
实验步骤:将2-氯-5-硝基苄腈(10g,54.8mmol)和二水合氯化亚锡(56g,248.6mmol)在异丙醇(125mL)和浓盐酸溶液(62.5mL)中的混合物加热至回流1分钟。 小时。 然后将混合物冷却并用氢氧化钠溶液(2N)中和。 用二氯甲烷萃取水层。 将合并的有机层用硫酸镁干燥并浓缩,得到标题化合物(8g,96%)。 HPLC纯度组分= 210%,210-370nm; RT = 7.2分钟; 85 / 15-5 / 95(Ammon。Form.Buff.Ph = 3.5 / ACN + MeOH)10分钟,保持4分钟Xterra TM。 RP18仪器,3.5μ,150.x.4.6 mm,1.2 mL / min。
参考文献:
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