The solvent-free, microwave (MW)-assisted synthesis of a new series of 3′-(aryl/heteroaryl)-1-morpholinomethyl/piperidinomethylspiro[3H-indole-3,2′-thiazolidine]-2,4′(1H)-diones has been achieved in an open vessel. Isatins undergo an easy condensation with various aryl/heteroaryl amines by MW using montmorillonite K10 clay as a solid support to afford Schiff bases , which subsequently undergo smooth
different spectroscopic techniques and by X-ray diffraction studies of their regio- and stereochemistry. All the synthesized compounds were screened for in vitro cytotoxic activity against the human cervical cancer cell line HeLa. The compounds have exhibited potent inhibition against human cervical cancer cells and insignificant toxicity to normal cells. The compounds 6d, 6a, 6h, 6b, and 6e induced apoptosis
由靛红和苄胺与 (E)-3 缩合原位生成的偶氮甲碱叶立德的一锅三组分 1,3-偶极环加成反应,获得了一系列独特的含有羟吲哚吡咯烷 8-硝基喹诺酮杂化物的二螺环类似物-亚芳基-2,3-二氢-8-硝基-4-喹诺酮类。通过使用不同的光谱技术和对其区域和立体化学的 X 射线衍射研究来表征新合成化合物的结构。筛选了所有合成的化合物对人宫颈癌细胞系 HeLa 的体外细胞毒活性。这些化合物对人宫颈癌细胞具有有效的抑制作用,对正常细胞的毒性很小。化合物 6d、6a、6h、6b 和 6e 通过 ROS 流入诱导 HeLa 细胞凋亡。
Ambient temperature synthesis of spiro[indoline-3,2′-thiazolidinones] by a DBSA-catalyzed sequential reaction in water
作者:Amreeta Preetam、Mahendra Nath
DOI:10.1016/j.tetlet.2016.02.079
日期:2016.3
An energy-efficient eco-friendly methodology for the synthesis of a series of pharmacologically important spiro[indoline-3,2′-thiazolidinones] has been developed by the reaction of primary amines with various isatin derivatives and thioglycolic acid in the presence of p-dodecylbenzenesulfonic acid (DBSA) as an efficient Brønsted acid surfactant combined catalyst in aqueous medium at 25 °C. This synthetic