期刊
BIOORGANIC CHEMISTRY
卷 82, 期 -, 页码 423-430出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.bioorg.2018.10.036
关键词
Spirooxindole; 1,3-dipolar cycloaddition; Azomethine ylide; Anticancer activity; LE; LLE; Molecular docking
资金
- Deanship of Scientific Research at King Saud University [RGP-257]
Anticancer therapeutics with profiles of high potency, low toxicity, and low resistance is of considerable interest. A new series of functionalized spirooxindole linked with 3-acylindole scaffold is reported, starting from chalcones derived from 3-acetyl indole with isatin, and l-4-thiazolidinecarboxylic acid. The reactions proceeded regioselectivity, stereoselectivity, without side products in high yield (71-89%). The new spirooxindole hybrids have been evaluated in vitro for their antiproliferative effects against colon cancer (HCT-116), hepatocellular carcinoma (HepG2) and prostate cancer (PC-3). The selectivity of their activity was evaluated. Some of the synthesized compounds showed considerable anticancer activities. Compound 4k proved to retain a high cytotoxic activity and selectivity against colon cancer cells HCT-116 (IC50 = 7 +/- 0.27 mu M, SI: 3.7), and HepG2 (IC50 = 5.5 +/- 0.2 mu M, SI: 4.7) in comparison to (IC50 = 12.6 +/- 0.5, SI: 0.4 and 5.5 +/- 0.3 mu M, SI: 0.9, respectively). Compound 4k was less active (IC50 = 6 +/- 0.3 mu M, SI: 4.3) than cisplatin (IC50 = 5 +/- 0.56 mu M, SI: 1.0) but showed greater selectivity towards prostate cancer cells PC-3 in comparison to cisplatin. The details of the binding mode of the active compounds were clarified by molecular docking. Ligand Efficiency (LE) and Ligand Lipophilic Efficiency (LLE) were evaluated and revealed that compound 4k had acceptable value.
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