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1

Synthesis, spectroscopic characterization and antimicrobial evaluation of some (E)-N-(4-substitutedbenzylidene)-4-fluorobenzenesulfonamides

100%

Jayanthi P., Jesu Retna Raj G., Sekar M., Thanikachalam V.

World News of Natural Sciences

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2017

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vol. 13

101-112

EN

In the present study, six numbers of Schiff bases (1-6) have been synthesized by the condensation of 4-fluorobenzenesulfonamide and substituted aromatic aldehyde. The purities of these Schiff bases have been checked by their physical constants, IR, 1H NMR and 13CNMR spectral data. The antimicrobial activities of these Schiff bases have been evaluated using Bauer-Kirby method.

2

Copper (II) complexes of sterically hindered o-diphenol derivatives: synthesis, characterization and microbiological studies

100%

Loginova N., Koval’chuk T. y., Zheldakova R., Chernyavskaya A., Osipovich N., Glushonok G., Polozov H., Sorokin V., Shadyro O.

Open Chemistry

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2006

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vol. 4

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issue 3

440-457

EN

Cu (II) complexes with the sterically hindered diphenol derivatives 3,5-di(tert-butyl)-1,2-benzenediol (I), 4,6-di(tert-butyl)-1,2,3-benzenetriol (II) and the sulfur-containing 4,6-di(tert-butyl)-3-(2-hydroxyethylsulfanyl)-1,2-benzenediol (III) and 2-[4,6-di(tert-butyl)-2,3-dihydroxyphenylsulfanyl]acetic acid (IV) have been synthesized and characterized by elemental analysis, TG/DTA, FT-IR, ESR, XPS, XPD and conductivity measurements. Compounds I–III can coordinate in their singly deprotonated forms and act as bidentate ligands. These compounds yield Cu (II) complexes of the stoichiometry Cu(L)2, which have square planar geometry (g| > g⊥ > ge). Unlike them, compound IV behaves as a terdentate ligand, and its complex Cu(LIV)2 has distorted octahedral geometry. According to ESR data, only the Cu(LII)2 complex contains a very small amount of phenoxyl radicals. Antimicrobial activities of these ligands and their respective Cu (II) complexes have been determined with respect to Gram-positive and Gram-negative bacteria, as well as on yeasts. Their phytotoxic properties against Chlorella vulgaris 157 were also examined.

3

Synthesis, Antimicrobial and Antioxidant Activities of Some Naphthalene - Containing Hydrazone Derivatives

100%

Sivasankari S., Rubala mary M.

World News of Natural Sciences

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2018

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vol. 18

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issue 2

124-132

EN

The inevitable consequence of the widespread use of antimicrobial agents has been the emergence of antibiotic resistant pathogens. This necessitates an ever-increasing search for new drugs. In an effort to develop antimicrobial agents, a series of hydrazone 2-6-derivatives were synthesized. These were characterized on the basis of physical and spectroscopic data, and were evaluated for their antimicrobial activity against various bacterial and fungal strains using the disc diffusion method and nutrient agar media. The antioxidant activities of the products were also evaluated. Our data showed that many derivatives have promising activities as antioxidant agents.

4

Milk production and ruminal parameters of dairy cows fed diets containing Lactobacillus sakei KTU05-6 and Pediococcus pentosaceus BaltBio02

86%

Lele V., Zelvyte R., Monkeviciene I., Kantautaite J., Stankevicius R., Ruzauskas M., Sederevicius A., Antanaitis R., Bartkiene E., Lele V., Zelvyte R., Monkeviciene I., Kantautaite J., Stankevicius R., Ruzauskas M., Sederevicius A., Antanaitis R., Bartkiene E.

Polish Journal of Veterinary Sciences

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2019

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issue 2

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1 Lele V.

1 Loginova N.

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1 Polozov H.

1 Rubala mary M.

1 Ruzauskas M.

1 Sederevicius A.

1 Sekar M.

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1 Sivasankari S.

1 Sorokin V.

1 Stankevicius R.

1 Thanikachalam V.

1 Zelvyte R.

1 Zheldakova R.

Synthesis, spectroscopic characterization and antimicrobial evaluation of some (E)-N-(4-substitutedbenzylidene)-4-fluorobenzenesulfonamides

Copper (II) complexes of sterically hindered o-diphenol derivatives: synthesis, characterization and microbiological studies

Synthesis, Antimicrobial and Antioxidant Activities of Some Naphthalene - Containing Hydrazone Derivatives

Milk production and ruminal parameters of dairy cows fed diets containing Lactobacillus sakei KTU05-6 and Pediococcus pentosaceus BaltBio02