Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Coordination Chemistry called Five new cobalt(II) complexes based on indazole derivatives: synthesis, DNA binding and molecular docking study, Author is Long, Bing-Fan; Huang, Qin; Wang, Shu-Long; Mi, Yan; Wang, Meng-Fan; Xiong, Ting; Zhang, Shu-Cong; Yin, Xian-Hong; Hu, Fei-Long, which mentions a compound: 1762-34-1, SMILESS is CC1=CN=C(C=C1)C1=NC=C(C)C=C1, Molecular C12H12N2, Category: benzodioxans.
Five cobalt(II) complexes based on 1H-indazole-3-carboxylic acid (H2L), [Co(phen)(HL)2]·H2O (1), [Co(5,5′-dimethyl-2,2′-bipy)(HL)2] (2), [Co(2,2′-bipy)2(HL)]·5H2O (3), [Co2(2,9-dimethyl-1,10-phen)2(L)2] (4) and [Co2(6,6′-dimethyl-2,2′-bipy)2(L)2]·H2O (5) (2,2′-bipy = 2,2′-bipyridine, phen = 1,10-phenanthroline), were synthesized and structurally characterized by elemental analyses, IR and UV-visible spectroscopies and single-crystal X-ray crystallog. 1-3 Possess mononuclear Co(II) structures, while 4 and 5 exhibit binuclear structure. 1D water tape which is linked by the multiple hydrogen bonds was embedded in the 3D motif of complex 3. Complexes 4 and 5 show two orthogonal planes of motif that was constituted by phen/2,2′-bipy and indazole acid, resp. The intermol. interactions including hydrogen bonding and π-π stacking interactions are stabilizing these complexes. The interactions of the synthesized complexes with calf-thymus DNA (CT-DNA) were studied by UV-visible absorption titration, ethidium bromide displacement assay and viscosity measurements. The complexes could interact with CT-DNA via a groove binding mode. Their behavior rationalization was further theor. studied by mol. docking.
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