| Autor: |
Nikola D. Radnović, Nađa Štetin, Mirjana M. Radanović, Ivana Đ. Borišev, Marko V. Rodić, Željko K. Jaćimović, Berta Barta Holló |
| Jazyk: |
angličtina |
| Rok vydání: |
2023 |
| Předmět: |
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| Zdroj: |
Inorganics, Vol 12, Iss 1, p 4 (2023) |
| Druh dokumentu: |
article |
| ISSN: |
2304-6740 |
| DOI: |
10.3390/inorganics12010004 |
| Popis: |
The synthesis of the first Ag(I) complexes with ethyl-5-amino-1-methyl-1H-pyrazole-4-carboxylate (L) is presented. The reaction of AgClO4 with the ligand in a molar ratio of 1:1 gives a bis(ligand) complex [AgL2]ClO4 (1) in the presence of 4-formylbenzonitrile, monoperiodic polymer {[AgL2]ClO4}n (2). Characterization involved IR spectroscopy, conductometric measurements, thermogravimetric analysis, antioxidant tests, powder, and single crystal X-ray diffraction. Structural analysis revealed ligand coordination in a monodentate manner through the nitrogen atom of the pyrazole ring in both complexes. Complex 1 displayed a linear coordination environment for Ag(I), whereas, in complex 2, square-planar coordination was achieved with the additional involvement of two oxygen atoms from bridging perchlorate anions. Notably, the thermal properties of both isomers are found to be nearly identical. The significant antioxidant activity of the isomer with a reverse-oriented pyrazole-type ligand suggests its potential relevance in biological studies. |
| Databáze: |
Directory of Open Access Journals |
| Externí odkaz: |
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