Molecules 2012, 17(9), 11010-11025; doi:10.3390/molecules170911010
Article

Novel Coumarin Derivatives Containing 1,2,4-Triazole, 4,5-Dicyanoimidazole and Purine Moieties: Synthesis and Evaluation of Their Cytostatic Activity

Krešimir Benci 1 , Leo Mandić 1 , Tomislav Suhina 1 , Mirela Sedić 2 , Marko Klobučar 2 , Sandra Kraljević Pavelić 2 , Krešimir Pavelić 2 , Karlo Wittine 1  and Mladen Mintas 1,* email
1 Department of Organic Chemistry, Faculty of Chemical Engineering and Technology, University of Zagreb, Marulićev trg 19, Zagreb 10000, Croatia 2 Department of Biotechnology, University of Rijeka, Slavka Krautzeka 83 A, Rijeka 51000, Croatia
* Author to whom correspondence should be addressed.
Received: 16 July 2012; in revised form: 23 August 2012 / Accepted: 3 September 2012 / Published: 12 September 2012
(This article belongs to the Section Medicinal Chemistry)
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Abstract: We report here on the synthesis and in vitro anti-tumor effects of a series of novel 1,2,4-triazole (compounds 3–6), 4,5-dicyanoimidazole (compound 7), and purine (compounds 8–13) coumarin derivatives and their acyclic nucleoside analogues 14–18. Structures of novel compounds 3–18 were deduced from their 1H- and 13C-NMR and corresponding mass spectra. Results of anti-proliferative assays performed on a panel of selected human tumor cell lines revealed that compound 6 had moderate cytostatic activity against the HeLa cell line (IC50 = 35 µM), whereas compound 10 showed moderate activity against the HeLa (IC50 = 33 µM), HepG2 (IC50 = 25 µM) and SW620 (IC50 = 35 µM) cell lines. These compounds showed no cytotoxic effects on normal (diploid) human fibroblasts.
Keywords: 1,2,4-triazole; 4,5-dicyanoimidazole and purine coumarin derivatives; acyclic nucleoside analogues; antitumor activity evaluation

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MDPI and ACS Style

Benci, K.; Mandić, L.; Suhina, T.; Sedić, M.; Klobučar, M.; Kraljević Pavelić, S.; Pavelić, K.; Wittine, K.; Mintas, M. Novel Coumarin Derivatives Containing 1,2,4-Triazole, 4,5-Dicyanoimidazole and Purine Moieties: Synthesis and Evaluation of Their Cytostatic Activity. Molecules 2012, 17, 11010-11025.

AMA Style

Benci K, Mandić L, Suhina T, Sedić M, Klobučar M, Kraljević Pavelić S, Pavelić K, Wittine K, Mintas M. Novel Coumarin Derivatives Containing 1,2,4-Triazole, 4,5-Dicyanoimidazole and Purine Moieties: Synthesis and Evaluation of Their Cytostatic Activity. Molecules. 2012; 17(9):11010-11025.

Chicago/Turabian Style

Benci, Krešimir; Mandić, Leo; Suhina, Tomislav; Sedić, Mirela; Klobučar, Marko; Kraljević Pavelić, Sandra; Pavelić, Krešimir; Wittine, Karlo; Mintas, Mladen. 2012. "Novel Coumarin Derivatives Containing 1,2,4-Triazole, 4,5-Dicyanoimidazole and Purine Moieties: Synthesis and Evaluation of Their Cytostatic Activity." Molecules 17, no. 9: 11010-11025.

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