Synthesis, antitumor activity and molecular docking study of novel Sulfonamide-Schiff's bases, thiazolidinones, benzothiazinones and their C-nucleoside derivatives

[摘要]：A series of sulfapyridine-polyhydroxyalkylidene (or arylidene)-imino derivatives (Schiff's bases) 2a-c and 4a-e were prepared by condensation of 4-amino-N-pyridin-2-ylbenzenesulfonamide (1) with different monosaccharides or with aromatic aldehydes. Treatment of 2a-c with thioglycolic acid led to the formation of the C-nucleosides (3a-c), while treatment of 4a-e with thioglycolic and/or thiosalicylic acids afforded the corresponding 2-arylthiazolidin-4-one or 2-arylbenzothiazin-4-one derivatives 5a-e and/or 6a-e, respectively. Some representative examples of the newly prepared compounds showed considerable cytotoxic effect against breast carcinoma cell line MCF7 and cervix carcinoma cell line HEIA in comparison with 5-flurouracil and doxorubicin. AutoDock molecular docking into PTK has been done for lead optimization of the compounds in study as potential PTK inhibitors. (C) 2009 Elsevier Masson SAS. All rights reserved.

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