Zhanina Petkova
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View article: Phytochemical Profiling and Anti-Obesogenic Potential of Scrophularia aestivalis Griseb. (Scrophulariaceae)
Phytochemical Profiling and Anti-Obesogenic Potential of Scrophularia aestivalis Griseb. (Scrophulariaceae) Open
Scrophularia aestivalis Griseb. is a Balkan endemic species whose phytochemical composition and medicinal properties have not been previously investigated. The therapeutic potential of Scrophularia species has attracted considerable attent…
View article: s-Triazine-Based Ligands Possessing Identical Heteroatom-Bridged Substituents—Unexpected Triazine-O Bond Cleavage
s-Triazine-Based Ligands Possessing Identical Heteroatom-Bridged Substituents—Unexpected Triazine-O Bond Cleavage Open
Metal–organic frameworks (MOFs) are materials with extremely valuable properties. The latter depend largely on the ligand used; therefore, the design of new organic linkers is a priority task today. A series of s-triazines possessing varia…
View article: Integrated Spectroscopic Analysis of Wild Beers: Molecular Composition and Antioxidant Properties
Integrated Spectroscopic Analysis of Wild Beers: Molecular Composition and Antioxidant Properties Open
Wild ales represent a diverse category of spontaneously fermented beers, influenced by complex microbial populations and variable ingredients. This study employed an integrated metabolomic profiling approach combining proton nuclear magnet…
View article: Novel Thiourea Ligands—Synthesis, Characterization and Preliminary Study on Their Coordination Abilities
Novel Thiourea Ligands—Synthesis, Characterization and Preliminary Study on Their Coordination Abilities Open
Two series of polydentate N,O,S-ligands containing thiourea fragments attached to a p-cresol scaffold, unsymmetrical mono-acylated bis-amines and symmetrical bis-thioureas, are obtained by common experiments. It is observed that the reacti…
View article: Aliquat 336 in Solvent Extraction Chemistry of Metallic ReO4− Anions
Aliquat 336 in Solvent Extraction Chemistry of Metallic ReO4− Anions Open
A study of the liquid–liquid extraction of ReO4− anions from hydrochloric acid solutions using the ionic liquid Aliquat 336 (QCl: trialkyl(C8–C10)methylammonium chloride) via the well-known method of slope analysis along with the determina…
View article: Phytochemical Profile, Antioxidant Potential, Antimicrobial Activity, and Cytotoxicity of Dry Extract from Rosa damascena Mill
Phytochemical Profile, Antioxidant Potential, Antimicrobial Activity, and Cytotoxicity of Dry Extract from Rosa damascena Mill Open
Dry rose extract (DRE) obtained industrially by aqueous ethanol extraction from R. damascena flowers and its phenolic-enriched fraction, obtained by re-extraction with ethyl acetate (EAE) were the subject of this study. 1H NMR of DRE allow…
View article: CCDC 2245600: Experimental Crystal Structure Determination
CCDC 2245600: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 2239465: Experimental Crystal Structure Determination
CCDC 2239465: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: 2-(1H-Imidazol-2-yl)-2,3-dihydro-1H-perimidine
2-(1H-Imidazol-2-yl)-2,3-dihydro-1H-perimidine Open
The novel compound 2-(1H-imidazol-2-yl)-2,3-dihydro-1H-perimidine was obtained in very good yield via a known eco-friendly protocol. The product was isolated in pure form as a solvate by simple filtration from the crude mixture. Its struct…
View article: 3-Methyl-1-phenyl-4-thioacetylpyrazol-5-one
3-Methyl-1-phenyl-4-thioacetylpyrazol-5-one Open
The novel compound 3-methyl-1-phenyl-4-thioacetylpyrazol-5-one is obtained in excellent yield via a thionation of the corresponding oxygen analogue. The product is isolated in pure form using column chromatography and is characterised usin…
View article: Effect of Gamma Irradiation on Fat Content, Fatty Acids, Antioxidants and Oxidative Stability of Almonds, and Electron Paramagnetic Resonance (EPR) Study of Treated Nuts
Effect of Gamma Irradiation on Fat Content, Fatty Acids, Antioxidants and Oxidative Stability of Almonds, and Electron Paramagnetic Resonance (EPR) Study of Treated Nuts Open
Gamma irradiation has been applied as an efficient and inexpensive method for the sterilization of nuts for years. However, along with the benefits of such treatment, negative effects are possible because of the formation of reactive oxyge…
View article: Small Heterocyclic Ligands as Anticancer Agents: QSAR with a Model G-Quadruplex
Small Heterocyclic Ligands as Anticancer Agents: QSAR with a Model G-Quadruplex Open
G-quadruplexes (GQs) have become valid targets for anticancer studies in recent decades due to their multifaceted biological function. Herewith, we aim to quantify interactions of potential heterocyclic ligands (Ls) with model GQs. For sev…
View article: Chiral Aminoalcohols and Squaric Acid Amides as Ligands for Asymmetric Borane Reduction of Ketones: Insight to In Situ Formed Catalytic System by DOSY and Multinuclear NMR Experiments
Chiral Aminoalcohols and Squaric Acid Amides as Ligands for Asymmetric Borane Reduction of Ketones: Insight to In Situ Formed Catalytic System by DOSY and Multinuclear NMR Experiments Open
A series of squaric acid amides (synthesized in 66–99% isolated yields) and a set of chiral aminoalcohols were comparatively studied as ligands in a model reaction of reduction of α-chloroacetophenone with BH3•SMe2. In all cases, the amino…