SYNTHESIS, SPECTRAL CHARACTERIZATION, THERMAL AND BIOLOGICAL STUDIES OF SOME NOVEL SCHIFF BASE METAL(II) COMPLEXES | Zendy

Y. Satyawana | Zendy; Ramhari Meena | Zendy; R. V. Singh | Zendy; Nighat Fahmi | Zendy

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SYNTHESIS, SPECTRAL CHARACTERIZATION, THERMAL AND BIOLOGICAL STUDIES OF SOME NOVEL SCHIFF BASE METAL(II) COMPLEXES

Author(s) -

Y. Satyawana,

Ramhari Meena,

R. V. Singh,

Nighat Fahmi

Publication year - 2019

Publication title -

rasayan journal of chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.281

H-Index - 22

eISSN - 0976-0083

pISSN - 0974-1496

DOI - 10.31788/rjc.2019.1245459

Subject(s) - schiff base , characterization (materials science) , metal , chemistry , materials science , polymer chemistry , combinatorial chemistry , nanotechnology , metallurgy

Metal complexes of Co(II) and Ni(II) with Schiff base derived from 2-(2 fluorophenylmethylene) hydrazinecarboxamide (HL 1 ) and 2-(2-fluorophenylmethylene) hydrazinecarbothioamide (HL 2 ) were synthesized and characterized by elemental analysis, IR, UV-Visible and 1 HNMR spectroscopy. On the basis of these studies, a hexa-coordinated octahedral geometry of Co(II) and Ni(II) complexes has been proposed. The thermal behavior (TGA) of Co(II) and Ni(II) complexes were studied to determine thermal stability. The ligand moieties and their complexes were collectively tested for their antimicrobial activity to assess their growth-inhibiting potential against bacteria and fungi. The ligands and their metal complexes were conjointly tested for antimycobacterial activity against Mycobacterium tuberculosis bacterial strain -H37RVsensitive to isoniazid and rifampicin drugs. Thiosemicarbazone based [Co(L 2 )22H2O] was found to inhibit the expansion of Mycobacterium tuberculosisstrain (H37RV).

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