化学合成。
医药中间体;有机试剂;化学合成
合成路线 1(2. 合成:6232-11-7)
产率:97%
合成条件:With thionyl chloride In methanol at 20℃; for 16 h;
实验步骤:将4-(氨基甲基)苯甲酸(302mg,2.00mmol)溶解在MeOH(30mL)中并在室温下小心地滴加亚硫酰氯(1.16mL,16.0mmol)。将反应混合物在室温下搅拌过夜。然后减压除去溶剂,得到15d。无色固体,熔点234℃,收率390mg(97%)。 C9H12ClNO2(201.7)。 Rf = 0.22(乙酸乙酯/ 1%二乙基甲胺,检测:254nm)。 1H NMR(400MHz,DMSO-D6):δ[ppm] = 3.86(s,3H,CO2CH3),4.10(s,2H,H3NCH2),7.63-7.67(m,2H,3-HB,5-HB) ,7.96-8.01(m,2H,2-HB,6-HB),8.61(br s,3H,NH 3)。 13C NMR(101MHz,DMSO-D6):δ[ppm] = 41.7(1C,H3NCH2),52.2(1C,CO2CH3),129.2(2C,C-3B,C-5B),129.3(2C,C-2B) C-6B),129.5(1C,C-1B),139.4(1C,C-4B),165.9(1C,CO2CH3)。 FT-IR:ν[cm-1] = 2963(NH 3 +),2878(C-Haliph。),2573(NH 3 +),1678(C = O),1597,1578,1477(C = CAr),864(Ar - 飞机的一部分)。 HRMS(APCI):m / z = 166.0865(对于C 9 H 12 NO 2 [M + H] +计算的值为166.0863)。 HPLC:t R = 6.4分钟,纯度99.9%。
参考文献:
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合成路线 2(3. 合成:6232-11-7)
产率:99%
合成条件:at 0℃; for 24 h; Reflux
实验步骤:实施例1:N-(2-氨基苯基)-4 - ((4-溴-5,6-二甲氧基-1-氧代异吲哚啉-2-基)甲基)苯甲酰胺的制备步骤1:4-(氨基甲基)苯甲酸甲酯盐酸盐4的制备 将氨基甲基苯甲酸(2.0g,13mmol)溶解在MeOH(5.0mL)中,在0℃下向其中缓慢加入亚硫酰氯(2.9mL,3当量)并熔融24小时。 减压蒸馏除去溶剂和亚硫酰氯,真空干燥,得到标题化合物(2.7g,99%)。1H NMR(300MHz,D2O):δ7.93(d,2H) ,J = 8.4Hz),7.41(d,2H,J = 8.4Hz),4.12(s,2H),3.79(s,3H)。
参考文献:
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