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Molecules 2018, 23(6), 1269; https://doi.org/10.3390/molecules23061269

Dicyanamide Bridged Cu(II)36-Metallacrown-6 Complex with 1,4,7-Triisopropyl-1,4,7-Triazacyclononane and Binding Properties with DNA

1
Hubei Key Laboratory of Biomass Fibers and Eco-dyeing & Finishing, School of Chemistry and Engineering, Wuhan Textile University, 1 Textile Road, Wuhan 430073, China
2
Department of Chemistry, Nankai University, Tianjin 300071, China
*
Author to whom correspondence should be addressed.
Academic Editor: Wolfgang Beck
Received: 15 May 2018 / Revised: 21 May 2018 / Accepted: 22 May 2018 / Published: 25 May 2018
(This article belongs to the Special Issue Metal Complexes of Biological Ligands)
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Abstract

A novel 36-metallacrown-6 complex [CuL(N(CN)2)(PF6)]6∙0.5H2O 1 was achieved using a tridendate ligand, 1,4,7-triisopropyl-1,4,7-triazacyclononane (L), and a flexible ligand, dicyanamide in MeOH. The μ1,5 bridging models of the dicyanamide ligand linked the macrocycle to form in a specific size with the chair conformation. The anion was important to form this 36-metallacrown-6 complex, as change was obtained with the larger anion BPh4, binuclear copper compound 2. The magnetic property indicates that slightly ferromagnetic interactions resulted from a superexchange mechanism. DNA binding properties were also studied. UV and fluorescence spectra showed that complex 1 could bind with DNA. View Full-Text
Keywords: metallacrown; 1,4,7-triazacyclononane; dicyanamide; DNA binding properties metallacrown; 1,4,7-triazacyclononane; dicyanamide; DNA binding properties
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Yang, Y.-S.; Liu, L.-J.; Ju, H.-Y.; Liu, X.-Y.; Li, Y.-G.; Yan, S.-P. Dicyanamide Bridged Cu(II)36-Metallacrown-6 Complex with 1,4,7-Triisopropyl-1,4,7-Triazacyclononane and Binding Properties with DNA. Molecules 2018, 23, 1269.

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