A series of new hetero-decanucleus sandwich Cd–Ln clusters constructed from open-chain ether Schiff base and niacin ligands: Synthesis, structure, luminescence and antioxidant activity

Zhang, Geng; Xia, Xinzhao; Xia, Lixian; Sun, Fugang; Dong, Jianping; Li, Ruixue; Wu, Huilu

doi:10.1016/j.ica.2021.120371

Cited by 11 publications

(3 citation statements)

References 81 publications

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“…The activities of ligand and the Cd‐Eu CP in scavenging hydroxyl radicals are shown in Figure 5a, and both display significant inhibition of OH. Table 4 summarizes the following data of hydroxyl radical scavenging activity (IC 50 ): ligand and the Cd‐Eu CP; single lanthanide complexes or d–f clusters or d–f CPs based on open‐chain ether Schiff base ligands; [ 39,41,43,46 ] natural antioxidants such as mannitol [ 67 ] and vitamin C. [ 68,69 ] Comparing the data, the scavenging ability of ligand and CP on hydroxyl radicals is more excellent than that of mannitol and vitamin C, and slightly better than part of other structures in the table.…”

Section: Resultsmentioning

confidence: 99%

“…The activities of ligand and the Cd-Eu CP in scavenging hydroxyl radicals are shown in Figure 5a, and both display significant inhibition of OH. [39,41,43,46] natural antioxidants such as mannitol [67] and vitamin C. [68,69] Comparing the data, the scavenging ability of ligand and CP on hydroxyl radicals is more excellent than that of mannitol and vitamin C, and slightly better than part of other structures in the table.…”

Section: Antioxidant Activitiesmentioning

confidence: 99%

“…In previous studies, a series of single transition metals complexes, single lanthanide metals complexes, and d–f clusters with open‐chain ether Schiff base have been reported by our group, [ 38–47 ] yet the research of bridging ligands based d–f CPs is scant. Herein, Cd(II) and Eu(III) have been introduced and coordinated with H 2 L, then the bridged ligand 4,4′‐bipyridine was introduced to form the one‐dimensional d–f CP successfully, and its luminescence and biological properties were further expatiated.…”

Section: Introductionmentioning

confidence: 99%

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A one‐dimensionalCd‐Eucoordination polymer with open‐chain ether Schiff base ligand and 4,4′‐bipyridine: Synthesis, structure, luminescence property, and antioxidation activities

Dong

Jiang

et al. 2021

J Chinese Chemical Soc

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A new Cd-Eu coordination polymer (CP) with open-chain ether Schiff base ligand bis(3-methoxysalicylidene)-3-oxapentane-1,5-diamine (H 2 L) and 4,4 0 -bipyridine (bipy), with composition [CdEuL(bipy)(NO 3 ) 3 ] n , has been synthesized by interfacial diffusion method and further performed structural characterization. The structure analysis revealed that Cd-Eu CP is an infinite onedimensional zigzag coordination polymer formed by CdEuL secondary units through symmetrical coordination bridging bipy. Luminescence property of the Cd-Eu CP in solid state was also studied. It has been found that the emission spectra of the Cd-Eu CP exhibit corresponding Eu(III) ion characteristic emission peaks. Antioxidation activities of the ligand and the Cd-Eu CP were also studied, showing that the antioxidant activities of the Cd-Eu CP were better than that of H 2 L. All provide an irreplaceable reference for the study of the properties of one-dimensional chain d-f coordination polymers. K E Y W O R D S 4,4 0 -bipyridine, antioxidation activities, crystal structure, d-f coordination polymer, luminescence, open-chain ether Schiff base ligand

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Section: Resultsmentioning

confidence: 99%