[HTML][HTML] Ultrasound-assisted synthesis of pyrimidines and their fused derivatives: A review

M Mittersteiner, FFS Farias, HG Bonacorso… - Ultrasonics …, 2021 - Elsevier
The pyrimidine scaffold is present in many bioactive drugs; therefore, efficient synthetic
routes that provide shorter reaction times, higher yields, and site-selective reactions are …

Persistent prevalence of supramolecular architectures of novel ultrasonically synthesized hydrazones due to hydrogen bonding [X–H⋯ O; X= N]: Experimental and …

M Khalid, A Ali, S Asim, MN Tahir, MU Khan… - Journal of Physics and …, 2021 - Elsevier
In this study, a series of novel pyridine-based hydrazone derivatives comprising (E)-2-((6-
chloropyridin-2-yl) oxy)-N′-(2, 3-dihydroxybenzylidene) acetohydrazide (CPBAH),(E)-2-((6 …

Synthesis and properties of 6, 7-dihydroxybenzopyrylium perchlorate halogen derivatives: X-ray, spectroscopic and theoretical studies

D Snigur, D Barbalat, M Fizer, A Chebotarev… - Tetrahedron, 2020 - Elsevier
This study describes the synthesis of 6, 7-dihydroxy-4-methyl-2-phenylbenzopyrylium
perchlorate halogen derivatives and its spectroscopic and theoretical studies. The …

A DFT study of fulvic acid binding with bivalent metals: Cd, Cu, Mg, Ni, Pb, Zn

M Fizer, V Sidey, S Milyovich, O Fizer - Journal of Molecular Graphics and …, 2021 - Elsevier
Abstract 3, 7, 8-Trihydroxy-3-methyl-10-oxo-4, 10-dihydro-1H, 3H-pyrano [4, 3-b] chromene-
9-carboxylic acid is a structurally well-characterized fulvic acid (FA) capable to act as a …

Spectroscopic and computational study of a new thiazolylazonaphthol dye 1-[(5-(3-nitrobenzyl)-1, 3-thiazol-2-yl) diazenyl] naphthalen-2-ol

O Fedyshyn, Y Bazeľ, M Fizer, V Sidey, J Imrich… - Journal of Molecular …, 2020 - Elsevier
Abstract A new thiazolylazo structure, 1-[(5-(3-nitrobenzyl)-1, 3-thiazol-2-yl) diazenyl]
naphthalen-2-ol (NBnTAN), has been synthesized for the first time. The geometric …

[HTML][HTML] An Innovative Vortex-Assisted Liquid-Liquid Microextraction Approach Using Deep Eutectic Solvent: Application for the Spectrofluorometric Determination of …

S Kakalejčíková, Y Bazeľ, VA Le Thi, M Fizer - Molecules, 2024 - mdpi.com
A new green and highly sensitive method for the determination of rhodamine B (RhB) by
deep eutectic solvent-based vortex-assisted liquid–liquid microextraction with fluorescence …

Structural peculiarities of new benzopyrylium dyes: X-ray, FT-IR, and DFT complex study

M Fizer, O Fizer, D Barbalat, S Shishkina… - Journal of Molecular …, 2022 - Elsevier
The structures of three newly synthesized substituted 2-(4-X-phenyl)-benzopyrylium dyes
were investigated by XRD and IR methods. The 4-X-phenyl group was represented by …

Theoretical study on charge distribution in cetylpyridinium cationic surfactant

M Fizer, O Fizer - Journal of Molecular Modeling, 2021 - Springer
Here, we report the electrostatic potential maxima and partial atomic charges evaluated on
cetylpyridinium cation. The Hartree-Fock method and six DFT functionals (namely, PBE …

Palladium determination with a new dye PNBTAN: Structural, UV-VIS, and DFT study

Y Bazeľ, V Sidey, M Fizer, O Fedyshyn… - Journal of Molecular …, 2021 - Elsevier
A new method for the determination of palladium has been developed based on the
dispersive liquid–liquid microextraction preconcentration with UV-VIS spectrometry …

Gold nanoparticles green synthesis with clove oil: spectroscopic and theoretical study

MM Fizer, RT Mariychuk, OI Fizer - Applied Nanoscience, 2022 - Springer
Certain limitations of obtaining metal nanoparticles with the use of synthetic chemicals have
sparked a great interest in scientists to develop green synthesis procedures which use non …