[Ag2(aca)2]n and [Ag4(aca)4(NH3)2] (acaH = 9-anthracenecarboxylic acid): Synthesis,X-ray crystal structures,antimicrobial and anti-cancer activities |
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Affiliation: | 1. College of Chemistry and Environmental Engineering, Sichuan University of Science & Engineering, Zigong 643000, PR China;2. Institute of Functional Materials, Sichuan University of Science & Engineering, Zigong 643000, PR China;3. School of Pharmacy, Guangdong Medical University, Dongguan 523808, PR China;4. School of Chemistry, Monash University, Victoria 3800, Australia;5. Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia;6. Department of Chemistry, Faculty of Science, University of Lucknow, Lucknow 226 007, India;1. Department of Chemistry, School of Science, Tianjin University, and Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, China;2. Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), Nankai University, Tianjin 300071, China |
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Abstract: | [Ag2(9-aca)2]n and [Ag4(9-aca)4(NH3)2] (9-acaH = 9-anthracenecarboxylic acid) have been prepared and structurally characterized. [Ag2(9-aca)2]n consists of polymeric ribbons of linked disilver(I) syn–syn bridged dicarboxylate units. [Ag4(9-aca)4(NH3)2] is tetrameric and centrosymmetric, with two syn–syn bridging carboxylates linked to the bimetallic Ag–Ag core and a further two syn–anti bridged carboxylate ligands in the equatorial plane, being coordinated to one Ag in the bimetallic core and to a second Ag, with the latter also bonded to an NH3 ligand. In vitro studies show that both complexes are extremely cytotoxic against selected human fungal and bacterial pathogens, and each complex also greatly inhibits the growth of two mammalian cancer cell lines. |
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