Novel phenothiazine–dithiocarbamate analogues were designed by molecular hybridization strategy and synthesized and evaluated for their anticancer activity in vitro against three selected cancer cell lines (EC-109, MGC-803, and PC-3). The preliminary structure–activity relationship (SAR) for this phenothiazine–dithiocarbamate hybrids is explored. Among all analogues, 2-oxo-2-(10H-phenothiazin-10-yl)ethyl 4-ethylpiperazine-1-carbodithioate (8a) showed the most potent inhibitory activity with an $$\hbox IC}_50}$$ value of $$11.59\,\upmu \hbox M}$$ against PC-3 cells. In addition, compound 8a could arrest the cell cycle at the G1 phase and regulate the expression of G1 checkpoint-related proteins, suggesting that phenothiazine–dithiocarbamate hybrids might be useful as cell cycle blockers.
                                    新型苯
噻嗪-二
硫氨基甲酸盐类类似物通过分子杂交策略设计、合成,并在体外评估其对三种选择的癌
细胞系(
EC-109、MGC-803 和 PC-3)的抗癌活性。初步探索了这种苯
噻嗪-二
硫氨基甲酸盐杂合物的结构-活性关系(
SAR)。在所有类似物中,2-氧代-2-(10H-苯
噻嗪-10-基)乙基 4-乙基
哌嗪-1-羧基二
硫代酸酯(8a)表现出对 PC-3 细胞最强的抑制活性,$$\hbox IC}_50}$$ 值为 $$11.59\,\upmu \hbox M}$$。此外,化合物 8a 能够阻留细胞周期在 G1 期,并调节 G1 检查点相关蛋白的表达,表明苯
噻嗪-二
硫氨基甲酸盐杂合物可能作为细胞周期阻断剂具有潜在用途。