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Molecules 2012, 17(4), 4703-4716; doi:10.3390/molecules17044703
Article

Synthesis and Cytotoxic Activity of Some Novel N-Pyridinyl-2-(6-phenylimidazo[2,1-b]thiazol-3-yl)acetamide Derivatives

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Received: 29 February 2012; in revised form: 1 April 2012 / Accepted: 13 April 2012 / Published: 23 April 2012
(This article belongs to the Section Medicinal Chemistry)
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Abstract: A series of novel compounds bearing imidazo[2,1-b]thiazole scaffolds were designed and synthesized based on the optimization of the virtual screening hit compound N-(6-morpholinopyridin-3-yl)-2-(6-phenylimidazo[2,1-b]thiazol-3-yl)acetamide (5a), and tested for their cytotoxicity against human cancer cell lines, including HepG2 and MDA-MB-231. The results indicated that the compound 2-(6-(4-chlorophenyl)imidazo[2,1-b]thiazol-3-yl)-N-(6-(4-(4-methoxybenzyl)piperazin-1-yl)pyridin-3-yl)acetamide (5l), with slightly higher inhibition on VEGFR2 than 5a (5.72% and 3.76% inhibitory rate at 20 μM, respectively), was a potential inhibitor against MDA-MB-231 (IC50 = 1.4 μM) compared with sorafenib (IC50 = 5.2 μM), and showed more selectivity against MDA-MB-231 than HepG2 cell line (IC50 = 22.6 μM).
Keywords: imidazo[2,1-b]thiazoles; cytotoxic activity; synthesis imidazo[2,1-b]thiazoles; cytotoxic activity; synthesis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Ding, H.; Chen, Z.; Zhang, C.; Xin, T.; Wang, Y.; Song, H.; Jiang, Y.; Chen, Y.; Xu, Y.; Tan, C. Synthesis and Cytotoxic Activity of Some Novel N-Pyridinyl-2-(6-phenylimidazo[2,1-b]thiazol-3-yl)acetamide Derivatives. Molecules 2012, 17, 4703-4716.

AMA Style

Ding H, Chen Z, Zhang C, Xin T, Wang Y, Song H, Jiang Y, Chen Y, Xu Y, Tan C. Synthesis and Cytotoxic Activity of Some Novel N-Pyridinyl-2-(6-phenylimidazo[2,1-b]thiazol-3-yl)acetamide Derivatives. Molecules. 2012; 17(4):4703-4716.

Chicago/Turabian Style

Ding, Huaiwei; Chen, Zhe; Zhang, Cunlong; Xin, Tian; Wang, Yini; Song, Hongrui; Jiang, Yuyang; Chen, Yuzong; Xu, Yongnan; Tan, Chunyan. 2012. "Synthesis and Cytotoxic Activity of Some Novel N-Pyridinyl-2-(6-phenylimidazo[2,1-b]thiazol-3-yl)acetamide Derivatives." Molecules 17, no. 4: 4703-4716.



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