New 4-chalcone ursolate and 1-acetyl-3-(4-phenyl)-4,5-dihydro-2-pyrazoline-5-phenyl ursolate derivatives were synthesized by esterification of UA and chalcone or pyrazoline. The compounds were structurally confirmed by IR, 1H NMR, 13C NMR, and HR-MS spectroscopy. The cytotoxicity of ten derivatives was evaluated against A549, SKOV3, and HepG2 cell lines by MTT assay. The result showed that several compounds were more potent than UA against A549 and SKOV3 cells; however, none of them were more potent than UA against HepG2.
通过酯化反应,合成了四种新的
查尔酮熊果酸酯和一种1-乙酰基-3-(4-苯基)-4,5-二氢-2-
吡唑啉-5-苯基
熊果酸酯衍
生物。这些化合物的结构通过红外光谱(IR)、核磁共振氢谱(1H NMR)、碳谱(13C NMR)和高分辨质谱(HR-MS)得到了确认。通过M
TT法,评估了这十种衍
生物对A549、SKOV3和HepG2
细胞系的细胞毒性。结果显示,有几种化合物对A549和SKOV3细胞的毒性比
熊果酸更强;然而,在对HepG2细胞的毒性方面,没有任何一种化合物比
熊果酸更强。