Synthesis, spectroscopic characterization and antimicrobial activity evaluation of new tridentate Schiff bases and their Co(II) complexes

Four new Schiff bases were synthesized from condensation of aldehyde ( 2-hydroxy benzaldehyde ) with aromatic amines (4-introaniline ; 4,4-oxydianiline ; 4,4-diaminodipleny sulfone and sulfanilamide) . These Schiff bases were characterized by IR, NMR , GC. mass and element analysis. Moreover, the Schiff bases were screened for their antibacterial and antifungal activity against various microorganisms and compared with standard compounds. In general , the results were indicated that some Schiff bases had good antimicrobial activity.

Download Full-text

Spectroscopic characterization, antimicrobial activity, DFT computation and docking studies of sulfonamide Schiff bases

Journal of Molecular Structure ◽

10.1016/j.molstruc.2016.08.011 ◽

2017 ◽

Vol 1127 ◽

pp. 557-567 ◽

Cited By ~ 23

Author(s):

Sudipa Mondal ◽

Santi M. Mandal ◽

Tapan Kumar Mondal ◽

Chittaranjan Sinha

Keyword(s):

Antimicrobial Activity ◽

Schiff Bases ◽

Spectroscopic Characterization ◽

Docking Studies

Download Full-text

SYNTHESIS, CHARACTERIZATION AND BIOLOGICAL EVALUATION OF 3-FORMYL INDOLE BASED SCHIFF BASES

Journal of Biomedical and Pharmaceutical Research ◽

10.32553/jbpr.v7i6.561 ◽

2018 ◽

Vol 7 (6) ◽

Author(s):

Singh Gurvinder ◽

Singh Prabhsimran ◽

Dhawan R. K.

Keyword(s):

Antimicrobial Activity ◽

Spectral Analysis ◽

Schiff Bases ◽

Antimicrobial Agents ◽

Biological Evaluation ◽

Fungal Strain ◽

Bacterial Strains ◽

Standard Drug ◽

Gram Negative ◽

E Coli

In order to develop new antimicrobial agents, a series of 3-formyl indole based Schiff bases were synthesized by reacting 3-formyl indole(indole-3-carboxaldehyde) with substituted aniline taking ethanol as solvent. The reaction was carried in the presence of small amount of p-toluene sulphonic acid as catalyst.All the synthesized compounds were characterized by IR, 1H-NMR spectral analysis. All the synthesized compounds were evaluated for antimicrobial activity against two gram positive bacterial strains (B. subtilisand S. aureus) and two gram negative bacterial strains (P. aeruginosaand E. coli) and one fungal strain (C. albicans). All the synthesized compounds were found to have moderate to good antimicrobial activity. The standard drug amoxicillin, fluconazole were used for antimicrobial activity. Among the synthesized compounds, the maximum antimicrobial activity was shown by compounds GS04, GS07, GS08 and GS10.

Download Full-text

In vitro antimicrobial activity evaluation of 2-amino-3-r-6-ethyl-4,6-dihydropyrano[3,2-c][2,1] benzothiazine 5,5-dioxides with 4-aryl substituent and spirofused with 2-oxoindoline core

Ukraïns’kij bìofarmacevtičnij žurnal ◽

10.24959/ubphj.16.35 ◽

2016 ◽

Vol 0 (3(44)) ◽

pp. 24-32 ◽

Cited By ~ 1

Author(s):

D. A. Lega ◽

N. I. Filimonova ◽

H. M. Dikaya ◽

V. P. Chernykh ◽

L. A. Shemchuk

Keyword(s):

Antimicrobial Activity ◽

Aryl Substituent ◽

In Vitro Antimicrobial Activity ◽

Activity Evaluation

Download Full-text

Synthesis, photosensitization and antimicrobial activity evaluation of some novel Merocyanine dyes

10.31221/osf.io/yv273 ◽

2019 ◽

Author(s):

Chem Int

Keyword(s):

Escherichia Coli ◽

Staphylococcus Aureus ◽

Antimicrobial Activity ◽

Aspergillus Flavus ◽

Elemental Analysis ◽

Cyanine Dyes ◽

Fungal Strains ◽

Activity Evaluation ◽

Visible Spectra ◽

Merocyanine Dyes

Novel acyclic and cyclic merocyanine dyes derived from the nucleu of furo [(3,2-d) pyrazole; ( d 2 , 3 )imidazole]were prepared. The electronic visible absorptionspectra of all the synthesized new cyanine dyes were examined in 95% ethanolsolution to evaluate their photosensitization properties. Antibacterial andantifungal activities for some selected dyes were tested against various bacterialand fungal strains (Escherichia coli, Staphylococcus aureus, Aspergillus flavus andCandida albicans) to evaluate their antimicrobial activity. Structural identificationwas carried out via elemental analysis, visible spectra, IR and 1H NMRspectroscopic data.

Download Full-text

Synthesis of new Cadmium(II) Complexes of Schiff Bases as Alkaline Phosphatase Inhibitors and their Antimicrobial Activity

Arabian Journal of Chemistry ◽

10.1016/j.arabjc.2021.103308 ◽

2021 ◽

pp. 103308

Author(s):

Rana Muhammad Irfan ◽

Muhammad Ashraf Shaheen ◽

Muhammad Saleem ◽

Muhammad Nawaz Tahir ◽

Khurram Shahzad Munawar ◽

...

Keyword(s):

Antimicrobial Activity ◽

Alkaline Phosphatase ◽

Schiff Bases ◽

Phosphatase Inhibitors

Download Full-text

X-ray structure, surface analyses, spectroscopic characterization, antimicrobial activity and DFT studies of the triphenylphosphoranylidene derivative

Molecular Crystals and Liquid Crystals ◽

10.1080/15421406.2020.1848245 ◽

2020 ◽

Vol 711 (1) ◽

pp. 59-77

Author(s):

Ersin İnkaya ◽

Serpil Eryılmaz ◽

Nesuhi Akdemir ◽

Önder İdil

Keyword(s):

Antimicrobial Activity ◽

Spectroscopic Characterization ◽

Dft Studies ◽

X Ray ◽

Structure Surface

Download Full-text

Tricarbonyl triazolato Re(i) compounds of pyridylbenzimidazole ligands: spectroscopic and antimicrobial activity evaluation

RSC Advances ◽

10.1039/d1ra03063a ◽

2021 ◽

Vol 11 (37) ◽

pp. 22715-22722

Author(s):

Ahmed M. Mansour

Keyword(s):

Antimicrobial Activity ◽

Cycloaddition Reaction ◽

Catalyst Free ◽

Activity Evaluation

The antimicrobial activity and solvatochromism properties of mono- and binuclear tricarbonyl triazolato Re(i) complexes of pyridylbenzimidazole, formed by catalyst-free [3+2] cycloaddition reaction, were examined.

Download Full-text