Syntheses, structures and antimicrobial properties of complexes based on 2-hydroxybenzaldehyde-4-aminoantipyrine Schiff base

Autor:	Quan Tang, Jing Hu, Ming Xu, Xin-Cheng Yang, Wen-Ge Li, Yi-Jie Ding, Yi-Fan Zhang, Lili Liang, Hui-Fang Li
Rok vydání:	2021
Předmět:	Schiff base Ligand 2-hydroxybenzaldehyde 010402 general chemistry 010403 inorganic & nuclear chemistry Antimicrobial 01 natural sciences 0104 chemical sciences chemistry.chemical_compound Monomer chemistry Polymer chemistry Materials Chemistry Physical and Theoretical Chemistry
Zdroj:	Journal of Coordination Chemistry. 74:1039-1052
ISSN:	1029-0389 0095-8972
DOI:	10.1080/00958972.2021.1875449
Popis:	Two monomeric complexes, [NiL2·3H2O] (1) and [Nd2L3(NO3)3] (2), with a tridentate ONO-donor Schiff base ligand HL (HL = 2-hydroxybenzaldehyde-4-aminoantipyrine) have been synthesized. Single-crystal X-ray diffraction analysis indicates that the asymmetric unit of 1 contains one Ni(II) and two L− ligands, while 2 consists of two Nd(III) ions, three L− ligands, and three NO3− ions. Complexes 1 and 2 are both 0-D discrete monomers, and there are intermolecular π–π interactions in 1 and intramolecular π–π interactions in 2. The discrete [NiL2·3H2O] monomers are further connected through π–π interactions, resulting in a 3-D supramolecular structure. Powder XRD and TG-DSC were performed for 1 and 2. Antimicrobial experiments show that 1 displays significant antibacterial effect against Bacillary dysentery and Escherichia coli in comparison with that of Schiff base ligand.
Databáze:	OpenAIRE
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