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

1 School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, China 2 The Key Laboratory of Chemical Biology, Guangdong Province, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China 3 Bioinformatics and Drug Design Group, Department of Computational Science, National University of Singapore, Blk SOC1, Level 7, 3 Science Drive 2, Singapore 117543, Singapore
* Authors to whom correspondence should be addressed.
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

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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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