未明确提及具体用途
未明确提及具体应用领域
合成路线 1(1. 合成:2423-65-6)
产率:88%
合成条件:With 3-chloro-benzenecarboperoxoic acid In dichloromethane for 16 h;
实验步骤:一般程序1:; 二嗪氧化;将适当的二嗪(1当量)和mCPBA(1当量)溶解在DCM(0.2M)中。 将反应搅拌16小时。 然后加入PPh 3(0.5当量)以还原任何未反应的过酸,并将混合物再搅拌4小时。 减压蒸发挥发物,残余物通过硅胶柱色谱纯化。 吡嗪N-氧化物(80)根据一般程序1合成。使用100%EtOAc,然后使用20%MeOH / EtOAc的混合物,通过硅胶柱色谱法纯化,得到白色固体(88%)。 1H NMR(300MHz,CDCl3,293K,TMS):δ8.50(2H,d,J = 3.9Hz),8.14(2H,d,J = 4.8Hz).13C NMR(75MHz,CDCl3,293K,TMS) ):147.8,134.0.HRMS计算值C 4 H 4 N 2 O 1(M +)96.0324; 实测值:96.0295。熔点°C:103.2-104.5IR(vmax / cm-1):3120,3088,1595,861,847,838.Rf(20%MeOH / EtOAc):0.3
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