Research Article

Metal (II) Complexes Derived from Naphthofuran-2-carbohydrazide and Diacetylmonoxime Schiff Base: Synthesis, Spectroscopic, Electrochemical, and Biological Investigation

Table 5

Antimicrobial activity results of the Schiff base and its metal complexes (MIC).

Schiff base/complexes Conc.
( g mL−1)
Zone of inhibition against bacteria and fungi (mm)
E. coli S. aureus B. subtilis P. aeruginosa A. niger A. flavus C. oxysporum C. albicans

C17H15O3N3100050504070706
2001213091013141208
5001415111315161314

Co(C17H15O3N3)Cl2 1000607040509080706
2001414101214161309
5001616121416181515

Ni(C17H15O3N3)Cl2 1000708040609100807
2001415101315161416
5001516121316191515

Cu(C17H15O3N3)2Cl2 1000707050610110906
2001517131516171517
5001618141717191516

Cd(C17H15O3N3)Cl2 1001113081018191716
2001918151620201918
5002221181921222022

Hg(C17H15O3N3)Cl2 1001112091118201719
2002020161721221819
5002321172025262422

Gentamicin50029282526

Fluconazole50030313029

Note: less than 12 mm: inactive; 12–16 mm: moderately active; above 18 mm: highly active.