Search Results - "Demchuk, Oleg M."

New Perspectives for Fisetin by Grynkiewicz, Grzegorz, Demchuk, Oleg M.

“…Fisetin is a flavonol that shares distinct antioxidant properties with a plethora of other plant polyphenols. Additionally, it exhibits a specific biological…”
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Fluconazole Analogs and Derivatives: An Overview of Synthesis, Chemical Transformations, and Biological Activity by Janowski, Michał, Demchuk, Oleg M, Wujec, Monika

“…Fluconazole (2-(2,4-difluorophenyl)-1,3-bis(1 -1,2,4-triazol-1-yl)propan-2-ol), which was patented in 1981 and introduced for commercial use in 1988, is a…”
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Arylcyanomethylenequinone Oximes: An Overview of Synthesis, Chemical Transformations, and Biological Activity by Kula, Karolina, Nagatsky, Roman, Sadowski, Mikołaj, Siumka, Yevheniia, Demchuk, Oleg M

“…Quinone methides are a class of biologically active compounds that can be used in medicine as antibacterial, antifungal, antiviral, antioxidant, and…”
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Full Regio- and Stereoselective Protocol for the Synthesis of New Nicotinoids via Cycloaddition Processes with the Participation of Trans-Substituted Nitroethenes: Comprehensive Experimental and MEDT Study by Kras, Jowita, Woliński, Przemysław, Nagatsky, Roman, Demchuk, Oleg M, Jasiński, Radomir

“…[3 + 2] Cycloaddition reactions with the participation of -C-(3-pyridyl)- -methylnitrone and series of -2-R-nitroethenes were both experimentally and…”
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On the Question of the Formation of Nitro-Functionalized 2,4-Pyrazole Analogs on the Basis of Nitrylimine Molecular Systems and 3,3,3-Trichloro-1-Nitroprop-1-Ene by Kula, Karolina, Łapczuk, Agnieszka, Sadowski, Mikołaj, Kras, Jowita, Zawadzińska, Karolina, Demchuk, Oleg M, Gaurav, Gajendra Kumar, Wróblewska, Aneta, Jasiński, Radomir

“…Experimental and theoretical studies on the reaction between ( )-3,3,3-trichloro-1-nitroprop-1-ene and -(4-bromophenyl)-C-arylnitrylimine were performed. It…”
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Low-Molecular-Weight Organogelators Based on N -dodecanoyl-L-amino Acids-Energy Frameworks and Supramolecular Synthons by Miroslaw, Barbara, Demchuk, Oleg M, Luboradzki, Roman, Tyszczuk-Rotko, Katarzyna

“…Lauric acid was used to synthesize the low-molecular-weight organogelators (LMOGs), derivatives of two endogenous (L)-alanine, (L)-leucine, and three exogenous…”
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Silver Is Not Equal to Silver: Synthesis and Evaluation of Silver Nanoparticles with Low Biological Activity, and Their Incorporation into C12Alanine-Based Hydrogel by Kubiński, Konrad, Górka, Kamila, Janeczko, Monika, Martyna, Aleksandra, Kwaśnik, Mateusz, Masłyk, Maciej, Zięba, Emil, Kowalczuk, Joanna, Kuśtrowski, Piotr, Borkowski, Mariusz, Boguszewska-Czubara, Anna, Klimeczek, Agnieszka, Demchuk, Oleg M.

“…A new type of silver nanoparticles (AgNPs) was prepared and comprehensively studied. Scanning electron microscopy (SEM) and dynamic light scattering (DLS)…”
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New Supramolecular Drug Carriers: The Study of Organogel Conjugated Gold Nanoparticles by Kowalczuk, Joanna, Łapiński, Andrzej, Stolarczyk, Elżbieta, Demchuk, Oleg M, Kubiński, Konrad, Janeczko, Monika, Martyna, Aleksandra, Masłyk, Maciej, Turczyniak-Surdacka, Sylwia

“…An aqueous solution of sodium citrate stabilized gold nanoparticles (AuNP) in the presence of lauroyl-L-alanine (C ALA) forms a stable gel. The structure of…”
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A Modular Approach to Atropisomeric Bisphosphines of Diversified Electronic Density on Phosphorus Atoms by Demchuk, Oleg M., Martyna, Aleksandra, Kwaśnik, Mateusz, Szwaczko, Katarzyna, Strzelecka, Dorota, Mirosław, Barbara, Pietrusiewicz, Kazimierz Michał, Urbanczyk-Lipkowska, Zofia

“…The series of C2-symmetric biaryl core-based non-racemic bisphosphines possessing substituents of different electronic properties: both EDG and EWG were…”
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A straightforward, environmentally beneficial synthesis of spiro[diindeno[1,2-b:2′,1′-e]pyridine-11,3′-indoline]-2′,10,12-triones mediated by a nano-ordered reusable catalyst by Fathi, Mahsa, Naimi-Jamal, M. Reza, Dekamin, Mohammad G., Panahi, Leila, Demchuk, Oleg M.

“…A library of new spiro[diindeno[1,2-b:2′,1′- e ]pyridine-11,3′-indoline]-2′,10,12-trione derivatives has been prepared in an efficient, one-pot pseudo…”
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A Single Biaryl Monophosphine Ligand Motif—The Multiverse of Coordination Modes by Miroslaw, Barbara, Dybala, Izabela, Jasiński, Radomir, Demchuk, Oleg M.

“…Biaryl monophosphines are important precursors to active catalysts of palladium-mediated cross-coupling reactions. The efficiency of the phosphine-based…”
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An Efficient Asymmetric Cross-Coupling Reaction in Aqueous Media Mediated by Chiral Chelating Mono Phosphane Atropisomeric Biaryl Ligand by Katarzyna Kapłon, Sławomir Frynas, Barbara Mirosław, Janusz Lipkowski, Oleg M. Demchuk

“…The enantiomerically pure ligand BisNap-Phos was obtained in a straightforward sequence of reactions beginning with inexpensive starting materials under the…”
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New Rigid Polycyclic Bis(phosphane) for Asymmetric Catalysis by Pietrusiewicz, K Michał, Szwaczko, Katarzyna, Mirosław, Barbara, Dybała, Izabela, Jasiński, Radomir, Demchuk, Oleg M

“…A simple, highly efficient synthesis of a series of novel chiral non-racemic rigid tetracyclic phosphorus ligands, applicable in important chemical asymmetric…”
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Antifungal Agent 4-AN Changes the Genome-Wide Expression Profile, Downregulates Virulence-Associated Genes and Induces Necrosis in Candida albicans Cells by Martyna, Aleksandra, Masłyk, Maciej, Janeczko, Monika, Kochanowicz, Elżbieta, Gielniewski, Bartłomiej, Świercz, Aleksandra, Demchuk, Oleg M, Kubiński, Konrad

“…In the light of the increasing occurrence of antifungal resistance, there is an urgent need to search for new therapeutic strategies to overcome this…”
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The Anti- Candida albicans Agent 4-AN Inhibits Multiple Protein Kinases by Masłyk, Maciej, Janeczko, Monika, Martyna, Aleksandra, Czernik, Sławomir, Tokarska-Rodak, Małgorzata, Chwedczuk, Marta, Foll-Josselin, Béatrice, Ruchaud, Sandrine, Bach, Stéphane, Demchuk, Oleg M, Kubiński, Konrad

“…Small molecules containing quinone and/or oxime moieties have been found as promising anti-fungal agents. One of them is 4-AN, a recently reported potent anti-…”
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A Quantum-Chemical DFT Approach to Elucidation of the Chirality Transfer Mechanism of the Enantioselective Suzuki–Miyaura Cross-Coupling Reaction by Jasiński, Radomir, Babyuk, Dmytro, Demchuk, Oleg M.

“…The DFT calculations of the simplified model of the asymmetric Suzuki–Miyaura coupling reaction were performed at the M062x/LANL2DZ theory level at first. It…”
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Novel functionalized β-nitrostyrenes: Promising candidates for new antibacterial drugs by Boguszewska-Czubara, Anna, Kula, Karolina, Wnorowski, Artur, Biernasiuk, Anna, Popiołek, Łukasz, Miodowski, Dawid, Demchuk, Oleg M., Jasiński, Radomir

“…[Display omitted] •A homogenous series of β-EWG functionalyzed β-nitrostyrenes was synthesized and characterized by IR, UV, 1H NMR and 13C NMR spectra.•The…”
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The utilization of chiral phosphorus ligands in atroposelective cross-coupling reactions by Demchuk, Oleg M., Kapłon, Katarzyna, Kącka, Agnieszka, Pietrusiewicz, K. Michał

“…Atroposelective synthesis of axially chiral biaryls mediated by palladium complexes of chiral phosphorus ligands is discussed. Analysis of the literature data…”
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A General Phenomenon of Spontaneous Amplification of Optical Purity under Achiral Chromatographic Conditions by Pietrusiewicz, K. Michał, Borkowski, Mariusz, Strzelecka, Dorota, Kielar, Katarzyna, Kicińska, Wioleta, Karevych, Sergei, Jasiński, Radomir, Demchuk, Oleg M.

“…This work explores the behavior of chiral compound mixtures enriched in one of the enantiomers whilst a typical chromatography on the achiral stationary phase…”
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Green in water sonochemical synthesis of tetrazolopyrimidine derivatives by a novel core-shell magnetic nanostructure catalyst by Maleki, Ali, Rahimi, Jamal, Demchuk, Oleg M., Wilczewska, Agnieszka Z., Jasiński, Radomir

“…[Display omitted] •A new hybrid organic-inorganic core-shell nanomagnetic catalyst is designed and developed.•It was characterized by FT-IR, SEM, EDX, TEM, TGA…”
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