Spectroscopic, Thermal and Antimicrobial Study of Some Transition Metal(II) Complexes of β-Diketones
A novel heterocyclic based β-diketone has been synthesized by the condensation of pyrazole-1-acetylchloride and sodium acetophenone. The product 1-phenyl-4-(pyrazole-1-yl)butane- 1,3-dione has been used for complexation with Mn(II), Fe(II) and Co(II) metal ions. The ligand β-diketone is found to exi...
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| Veröffentlicht in: | Asian journal of chemistry 2020-12, Vol.32 (12), p.3173-3178 |
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| container_title | Asian journal of chemistry |
| container_volume | 32 |
| creator | Rani, Rekha Kumar, Umesh Kumar, Deepak Yadav, Siteshwar Pd Sinha, Arjun Kr Sharma, S. |
| description | A novel heterocyclic based β-diketone has been synthesized by the condensation of
pyrazole-1-acetylchloride and sodium acetophenone. The product 1-phenyl-4-(pyrazole-1-yl)butane-
1,3-dione has been used for complexation with Mn(II), Fe(II) and Co(II) metal ions. The ligand
β-diketone is found to exist in keto-enol tautomeric forms. The comparision of infrared spectra of
complexes clearly indicates the coordination of the ligand from its enolic form. The magnetic moment
and electronic spectra of all the metal complexes leads to the distorted octahedral symmetry around
the metal ion. The ligand as well as its metal complexes has been screened for antimicrobial activity
and antifungal activities. It is observed that the antimicrobial and antifungal activities get enhanced in
complexes in respect to the free ligand. |
| doi_str_mv | 10.14233/ajchem.2020.22911 |
| format | Article |
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pyrazole-1-acetylchloride and sodium acetophenone. The product 1-phenyl-4-(pyrazole-1-yl)butane-
1,3-dione has been used for complexation with Mn(II), Fe(II) and Co(II) metal ions. The ligand
β-diketone is found to exist in keto-enol tautomeric forms. The comparision of infrared spectra of
complexes clearly indicates the coordination of the ligand from its enolic form. The magnetic moment
and electronic spectra of all the metal complexes leads to the distorted octahedral symmetry around
the metal ion. The ligand as well as its metal complexes has been screened for antimicrobial activity
and antifungal activities. It is observed that the antimicrobial and antifungal activities get enhanced in
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pyrazole-1-acetylchloride and sodium acetophenone. The product 1-phenyl-4-(pyrazole-1-yl)butane-
1,3-dione has been used for complexation with Mn(II), Fe(II) and Co(II) metal ions. The ligand
β-diketone is found to exist in keto-enol tautomeric forms. The comparision of infrared spectra of
complexes clearly indicates the coordination of the ligand from its enolic form. The magnetic moment
and electronic spectra of all the metal complexes leads to the distorted octahedral symmetry around
the metal ion. The ligand as well as its metal complexes has been screened for antimicrobial activity
and antifungal activities. It is observed that the antimicrobial and antifungal activities get enhanced in
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pyrazole-1-acetylchloride and sodium acetophenone. The product 1-phenyl-4-(pyrazole-1-yl)butane-
1,3-dione has been used for complexation with Mn(II), Fe(II) and Co(II) metal ions. The ligand
β-diketone is found to exist in keto-enol tautomeric forms. The comparision of infrared spectra of
complexes clearly indicates the coordination of the ligand from its enolic form. The magnetic moment
and electronic spectra of all the metal complexes leads to the distorted octahedral symmetry around
the metal ion. The ligand as well as its metal complexes has been screened for antimicrobial activity
and antifungal activities. It is observed that the antimicrobial and antifungal activities get enhanced in
complexes in respect to the free ligand.</abstract><doi>10.14233/ajchem.2020.22911</doi><tpages>6</tpages><oa>free_for_read</oa></addata></record> |
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| source | Alma/SFX Local Collection |
| title | Spectroscopic, Thermal and Antimicrobial Study of Some Transition Metal(II) Complexes of β-Diketones |
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