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The Synthesis and Biological Evaluation of N-Substituted 1H-Benzimidazol-2-yl-1H-pyrazole-3,5-diamines
- 1.0460144 - ÚEB 2017 RIV US eng J - Journal Article
Jedinák, L. - Kryštof, Vladimír - Cankař, P.
The Synthesis and Biological Evaluation of N-Substituted 1H-Benzimidazol-2-yl-1H-pyrazole-3,5-diamines.
Journal of Heterocyclic Chemistry. Roč. 53, č. 2 (2016), s. 499-507. ISSN 0022-152X. E-ISSN 1943-5193
Institutional support: RVO:61389030
Keywords : ONE-POT SYNTHESIS * BENZIMIDAZOLE DERIVATIVES * EFFICIENT SYNTHESIS
Subject RIV: CE - Biochemistry
Impact factor: 0.893, year: 2016
The synthesis of 1H-benzimidazol-2-yl-1H-pyrazole-3,5-diamines has been developed. Synthesized bisheteroaryls contain two privileged medicinal scaffolds, aminopyrazole and benzimidazole, with two diversity positions at N1 of benzimidazole and C3 of pyrazole, respectively. The three-step synthesis includes the Mitsunobu N-alkylation of benzimidazole and subsequent one-pot formation of aminopyrazole involving substitution of methylthio groups with amine and hydrazine followed with final ring closure. Inhibitory activity toward cyclin-dependent kinase 2/cyclin E and cytotoxicity against two cancer cell lines were evaluated for all novel pyrazoles. Two compounds showed modest cyclin-dependent kinase inhibition activity and cytotoxicity against cancer cell lines K562 and MCF7.
Permanent Link: http://hdl.handle.net/11104/0260264
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