化学合成。
化学合成
合成路线 1(1. 合成:1670-85-5)
产率:75%
合成条件:With dihydrogen peroxide; sodium hydroxide In ethanol at 20℃;
实验步骤:通用方法:向搅拌的19a,19b(15mmol)的无水乙醇溶液中加入40%NaOH(5mL),然后通过TLC监测,将10.5mL 30%H 2 O 2(104.7mmol)缓慢加入混合物中。 滤出沉淀的固体,用水洗涤,用无水乙醇重结晶,真空干燥,得到各自的产物。 1H-吲哚-3-甲酰胺(20a)。 白色固体,收率75%,熔点195-197℃(197-199℃[31])。 1H NMR谱,δ,ppm:6.84s(1H,NH),7.13~7.21m(2H,ArH),7.47d(J = 8.0Hz,2H,ArH),8.08s(1H,NH),8.20d( J = 7.5Hz,1H,ArH),11.60s(1H,NH)。
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