Polymeric CuX coordination compounds assembled from acetylenic thioether ligands RSCH2CCCH2R (R = C6H11, t-Bu): effect of the RS-group, halide and stoichiometry on the network architecture and the luminescence properties

Knorr, Michael; Viau, Lydie; Knauer, Lena; Strohmann, Carsten; Rousselin, Yoann; Kubicki, Marek M.

doi:10.1039/d4ce00173g

CrystEngComm

2024

DOI: 10.1039/d4ce00173g

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Polymeric CuX coordination compounds assembled from acetylenic thioether ligands RSCH₂CCCH₂R (R = C₆H₁₁, t-Bu): effect of the RS-group, halide and stoichiometry on the network architecture and the luminescence properties

Michael Knorr,

Lydie Viau,

Lena Knauer

et al.

Abstract: A series of coordination polymers (CPs), some of them featuring an unusual architecture, has been constructed by treatment of RSCH2C≡CCH2SR (R=C6H11 L1, t-Bu L2) with CuX (X = Cl, Br,...

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Coordination Assemblies of Acetylenic Dithioether Ligands on Silver(I) Salts: Crystal Structure, Antibacterial and Cytotoxicity Activities

Gaudillat,

Kirchhoff,

Jourdain

et al. 2024

Inorg. Chem.

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Coordination polymers (CPs) and metal−organic frameworks (MOFs) constitute a new class of antibacterial materials. Interest in them stems from their wide range of topology, dimensionality, and secondary building units that can be tuned by an appropriate choice of metal ions and ligands. In particular, silver-based species feature good antibacterial properties. In this study, we explored the coordination of three acetylenic dithioether RSCH 2 C�CCH 2 SR [R = phenyl (L Ph ), cyclohexyl (L Cy ), or tert-butyl (L tBu )] ligands on several silver salts (silver tosylate, silver triflate, and silver trifluoroacetate). The crystallographic characterization evidenced the formation of a molecular macrocycle and six CPs with different dimensionalities, ranging from one to two dimensions. In most cases, they are composed of four-coordinated silver atoms in a tetrahedral environment. Their antibacterial activity was investigated against Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria. All CPs present good antibacterial properties against the tested bacteria with minimal inhibitory concentrations ranging from 5 to 40 μg of Ag/mL. Interestingly, we found that these values could not be correlated to their architecture or morphology or to the amount of silver released. The cytotoxicity of these compounds was also evaluated on normal human dermal fibroblasts, and three of these CPs were found to be biocompatible.

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Coordination Assemblies of Acetylenic Dithioether Ligands on Silver(I) Salts: Crystal Structure, Antibacterial and Cytotoxicity Activities

Gaudillat,

Kirchhoff,

Jourdain

et al. 2024

Inorg. Chem.

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show abstract

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Polymeric CuX coordination compounds assembled from acetylenic thioether ligands RSCH₂CCCH₂R (R = C₆H₁₁, t-Bu): effect of the RS-group, halide and stoichiometry on the network architecture and the luminescence properties

Abstract: A series of coordination polymers (CPs), some of them featuring an unusual architecture, has been constructed by treatment of RSCH2C≡CCH2SR (R=C6H11 L1, t-Bu L2) with CuX (X = Cl, Br,...

Cited by 1 publication

References 70 publications

Coordination Assemblies of Acetylenic Dithioether Ligands on Silver(I) Salts: Crystal Structure, Antibacterial and Cytotoxicity Activities

Coordination Assemblies of Acetylenic Dithioether Ligands on Silver(I) Salts: Crystal Structure, Antibacterial and Cytotoxicity Activities

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