Synthesis, molecular structure and BSA-binding properties of a new binuclear Cd(II) complex based on 2-(1H-tetrazol-1-methyl)-1H-imidazole-4,5-dicarboxylic acid
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Hai-Yan Yan
Abstract
A new binuclear Cd(II) complex, [Cd2(H2tmidc)4(H2O)2]·6H2O (1) based on 2-(1H-tetrazol-1-methyl)-1H-imidazole-4,5-dicarboxylic acid (H3tmidc) has been synthesized and structurally characterized. The single-crystal X-ray diffraction analysis has revealed that there are two crystallographically distinct H2tmidc– anions in complex 1, one of which is coordinated to Cd(II) ion in a terminal fashion, while the other acts as a bis-connector linking two Cd(II) cations to form the dinuclear structure. The dimeric units are stabilized by intra-molecular O–H···O hydrogen bonds and π-π stacking interactions and are further connected into a three-dimensional supramolecular architecture through inter-molecular hydrogen bonds and π-π stacking interactions. The interactions of complex 1 with bovine serum albumin (BSA) were analyzed by fluorescence measurements under physiological conditions. The results have indicated that the fluorescence intensity of BSA was decreased considerably upon the addition of complex 1 through a static quenching mechanism. The synchronous fluorescence spectrum suggested that the interaction of complex 1 with BSA affects the conformations of tryptophan and tyrosine residues and thereby has an influence on the conformation of BSA.
Author contribution: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: This work was supported by the Tackle Key Problem of Science and Technology Project of Henan Province, China (no.182102310897).
Conflict of interest statement: The authors declare no conflicts of interest regarding this article.
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© 2020 Walter de Gruyter GmbH, Berlin/Boston
Articles in the same Issue
- Frontmatter
- In this issue
- Research articles
- Derivatives of the triaminoguanidinium ion, 7: unsymmetrically substituted N,N',N''-triaminoguanidinium salts via a cyclopentanone spiroaminal intermediate
- Diethyl (iodoethynyl)phosphonate and (iodoethynyl)diphenylphosphane oxide: crystal structures and some cycloaddition reactions
- Synthesis, molecular structure and BSA-binding properties of a new binuclear Cd(II) complex based on 2-(1H-tetrazol-1-methyl)-1H-imidazole-4,5-dicarboxylic acid
- Microwave synthesis of a blue luminescent silver(I) coordination polymer with a rigid tris-triazole ligand
- Single-crystal structure determination of LaNi5–xInx and LaNi9–xIn2+x
- The reaction of imidazo[1,5-a]pyridines with ninhydrin revisited
- The syntheses, structures, and magnetic properties of two mononuclear manganese(II) complexes involving in situ hydrothermal decarboxylation
- A cobalt(II) coordination polymer constructed with the 2-carboxy-phenoxyacetate linker showing a corrugated layer structure: synthesis, structure analysis and magnetic properties
- Hexaniobate anions connected by [Ni(cyclam)]2+ complexes yield two interpenetrating three-dimensional networks
- High-pressure synthesis and crystal structure of the samarium meta-oxoborate γ-Sm(BO2)3
- High-pressure synthesis and characterization of the non-centrosymmetric scandium borate ScB6O9(OH)3
- Al5B12O25(OH) and Ga4InB12O25(OH) – two additional triel borates with the structure type M5B12O25(OH) (M = Ga, In)
- Al/N-based active Lewis pairs: isocyanate insertion products as efficient nucleophiles employed for the facile generation of highly functional molecules
- New compounds of the Li2MSn3S8 type
- Synthesis and magnetic properties of the extended RE4Pd9Al24 series (RE = Sc, Y, Ce–Nd, Sm, Gd–Lu)
- Solid solutions EuAu4Cd2−xMgx with a remarkably stable ferromagnetic ground state
- Mechanistic investigations on C–H activated dealkylating cyclo-amination reactions of substituted triazenes, formamidines and amidines
- Orthoamide und Iminiumsalze, IIC. Darstellung von N-(ω-Ammonioalkyl)-N,N′,N′,N″,N″-peralkylierten Guanidiniumsalzen und N-(ω-Aminoalkyl)-N′,N′,N″,N″-tetramethylguanidinen
- Orthoamide und Iminiumsalze, IC. Synthese und Reaktionen von N,N,N′,N′,N′′-Pentaalkyl-N′′-[2-(N,N,N′,N′,N′′-pentaalkylguanidinio)ethyl]-guanidiniumsalzen
- Orthoamide und Iminiumsalze, C. Vinyloge Guanidiniumsalz-basierte ionische Flüssigkeiten sowie phenyloge Guanidiniumsalze und Orthoamide
- Notes
- La5Ir1.73In4.27 with Lu5Ni2In4-type structure
- The scandium-rich indide Sc50Pt13.47In2.53
Articles in the same Issue
- Frontmatter
- In this issue
- Research articles
- Derivatives of the triaminoguanidinium ion, 7: unsymmetrically substituted N,N',N''-triaminoguanidinium salts via a cyclopentanone spiroaminal intermediate
- Diethyl (iodoethynyl)phosphonate and (iodoethynyl)diphenylphosphane oxide: crystal structures and some cycloaddition reactions
- Synthesis, molecular structure and BSA-binding properties of a new binuclear Cd(II) complex based on 2-(1H-tetrazol-1-methyl)-1H-imidazole-4,5-dicarboxylic acid
- Microwave synthesis of a blue luminescent silver(I) coordination polymer with a rigid tris-triazole ligand
- Single-crystal structure determination of LaNi5–xInx and LaNi9–xIn2+x
- The reaction of imidazo[1,5-a]pyridines with ninhydrin revisited
- The syntheses, structures, and magnetic properties of two mononuclear manganese(II) complexes involving in situ hydrothermal decarboxylation
- A cobalt(II) coordination polymer constructed with the 2-carboxy-phenoxyacetate linker showing a corrugated layer structure: synthesis, structure analysis and magnetic properties
- Hexaniobate anions connected by [Ni(cyclam)]2+ complexes yield two interpenetrating three-dimensional networks
- High-pressure synthesis and crystal structure of the samarium meta-oxoborate γ-Sm(BO2)3
- High-pressure synthesis and characterization of the non-centrosymmetric scandium borate ScB6O9(OH)3
- Al5B12O25(OH) and Ga4InB12O25(OH) – two additional triel borates with the structure type M5B12O25(OH) (M = Ga, In)
- Al/N-based active Lewis pairs: isocyanate insertion products as efficient nucleophiles employed for the facile generation of highly functional molecules
- New compounds of the Li2MSn3S8 type
- Synthesis and magnetic properties of the extended RE4Pd9Al24 series (RE = Sc, Y, Ce–Nd, Sm, Gd–Lu)
- Solid solutions EuAu4Cd2−xMgx with a remarkably stable ferromagnetic ground state
- Mechanistic investigations on C–H activated dealkylating cyclo-amination reactions of substituted triazenes, formamidines and amidines
- Orthoamide und Iminiumsalze, IIC. Darstellung von N-(ω-Ammonioalkyl)-N,N′,N′,N″,N″-peralkylierten Guanidiniumsalzen und N-(ω-Aminoalkyl)-N′,N′,N″,N″-tetramethylguanidinen
- Orthoamide und Iminiumsalze, IC. Synthese und Reaktionen von N,N,N′,N′,N′′-Pentaalkyl-N′′-[2-(N,N,N′,N′,N′′-pentaalkylguanidinio)ethyl]-guanidiniumsalzen
- Orthoamide und Iminiumsalze, C. Vinyloge Guanidiniumsalz-basierte ionische Flüssigkeiten sowie phenyloge Guanidiniumsalze und Orthoamide
- Notes
- La5Ir1.73In4.27 with Lu5Ni2In4-type structure
- The scandium-rich indide Sc50Pt13.47In2.53
