The synthesis of a series of substituted hippuric acid (2-benzamidoacetic acid) derivatives containing arylsulfonylpiperazine nucleus (3a–j, 4a–j) is described. The compounds were synthesized by coupling hippuric/4-fluorohippuric acid with various arylsulfonylpiperazines using N-(3-dimethylaminopropyl)-N-ethylcarbodiimide (EDCI). The structures of all the new compounds were confirmed by IR, NMR and MS spectral data. All the synthesized compounds have been evaluated for their in vitro cytotoxicity towards five human cancer cell lines of different origins viz. HeLa (Cervical), A549 (Lung), A375 (Skin), MD-AMB-231(Breast) and T98G (brain) and their IC50 values were determined. Among the compounds tested, 3b, 3d, 3g, 4c and 4e displayed significant cytotoxic activity (IC50 = 24.2–38.2 µM). T98G was the most sensitive cell line towards the compounds studied followed by HeLa, A375, A549 and MD-AMB-231.
一系列取代的苯甲酰基氨基乙酸(2-苯甲酰胺基乙酸)衍生物合成了含有芳基磺酰基哌嗪核(3a-j,4a-j)。这些化合物是通过使用N-(3-二甲基氨基丙基)-N-乙基碳二亚胺(EDCI)将苯甲酰基/4-氟苯甲酰基酸与各种芳基磺酰基哌嗪偶联合成的。所有新化合物的结构均通过红外光谱、核磁共振和质谱数据得到确认。所有合成的化合物均已评估其对五种不同来源的人类癌细胞系(即宫颈癌HeLa,肺癌A549,皮肤癌A375,乳腺癌MD-AMB-231和脑癌T98G)的体外细胞毒性,并确定了它们的IC50值。在测试的化合物中,3b、3d、3g、4c和4e显示出显著的细胞毒性活性(IC50 = 24.2-38.2 µM)。T98G是对所研究的化合物最敏感的细胞系,其次是HeLa、A375、A549和MD-AMB-231。