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  1. Article ; Online: Enantioselective Synthesis of Aza-Flavanones with an All-Carbon Quaternary Stereocenter via NHC-Catalyzed Intramolecular Annulation.

    Barańska, Izabela / Słotwiński, Michał / Muzioł, Tadeusz / Rafiński, Zbigniew

    ACS omega

    2023  Volume 8, Issue 44, Page(s) 41480–41484

    Abstract: An enantioselective synthesis of ... ...

    Abstract An enantioselective synthesis of functionalized
    Language English
    Publishing date 2023-10-30
    Publishing country United States
    Document type Journal Article
    ISSN 2470-1343
    ISSN (online) 2470-1343
    DOI 10.1021/acsomega.3c05064
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article: Titanium(IV) Oxo-Complex with Acetylsalicylic Acid Ligand and Its Polymer Composites: Synthesis, Structure, Spectroscopic Characterization, and Photocatalytic Activity.

    Śmigiel, Julia / Muzioł, Tadeusz / Piszczek, Piotr / Radtke, Aleksandra

    Materials (Basel, Switzerland)

    2022  Volume 15, Issue 13

    Abstract: The titanium oxo complexes are widely studied, due to their potential applications in photocatalytic processes, environmental protection, and also in the biomedical field. The presented results concern the oxo complex synthesized in the reaction of ... ...

    Abstract The titanium oxo complexes are widely studied, due to their potential applications in photocatalytic processes, environmental protection, and also in the biomedical field. The presented results concern the oxo complex synthesized in the reaction of titanium(IV) isobutoxide and acetylsalicylic acid (Hasp), in a 4:1 molar ratio. The structure of isolated crystals was solved using the single-crystal X-ray diffraction method. The analysis of these data proves that [Ti
    Language English
    Publishing date 2022-06-22
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma15134408
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Structural Characterization and Bioactivity of a Titanium(IV)-Oxo Complex Stabilized by Mandelate Ligands.

    Kubiak, Barbara / Muzioł, Tadeusz / Wrzeszcz, Grzegorz / Radtke, Aleksandra / Golińska, Patrycja / Jędrzejewski, Tomasz / Wrotek, Sylwia / Piszczek, Piotr

    Molecules (Basel, Switzerland)

    2024  Volume 29, Issue 8

    Abstract: Research on titanium-oxo complexes (TOCs) is usually focused on their structure and photocatalytic properties. Findings from these investigations further sparked our interest in exploring their potential biological activities. In this study, we focused ... ...

    Abstract Research on titanium-oxo complexes (TOCs) is usually focused on their structure and photocatalytic properties. Findings from these investigations further sparked our interest in exploring their potential biological activities. In this study, we focused on the synthesis and structure of a compound with the general formula [Ti
    MeSH term(s) Titanium/chemistry ; Titanium/pharmacology ; Mice ; Animals ; Ligands ; Mandelic Acids/chemistry ; Mandelic Acids/pharmacology ; Microbial Sensitivity Tests ; Cell Line ; Anti-Bacterial Agents/pharmacology ; Anti-Bacterial Agents/chemistry ; Anti-Bacterial Agents/chemical synthesis ; Coordination Complexes/pharmacology ; Coordination Complexes/chemistry ; Coordination Complexes/chemical synthesis ; Molecular Structure ; Fibroblasts/drug effects ; Crystallography, X-Ray
    Chemical Substances Titanium (D1JT611TNE) ; Ligands ; Mandelic Acids ; Anti-Bacterial Agents ; mandelic acid (NH496X0UJX) ; Coordination Complexes
    Language English
    Publishing date 2024-04-11
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 1413402-0
    ISSN 1420-3049 ; 1431-5165 ; 1420-3049
    ISSN (online) 1420-3049
    ISSN 1431-5165 ; 1420-3049
    DOI 10.3390/molecules29081736
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Cologne/Königswinter

    Zs.MO 81: Show issues

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  4. Article: Structural Diversity, XAS and Magnetism of Copper(II)-Nickel(II) Heterometallic Complexes Based on the [Ni(NCS)

    Tereba, Natalia / Muzioł, Tadeusz M / Wiśniewska, Joanna / Podgajny, Robert / Bieńko, Alina / Wrzeszcz, Grzegorz

    Materials (Basel, Switzerland)

    2023  Volume 16, Issue 2

    Abstract: The new heterometallic compounds, [{Cu(pn) ...

    Abstract The new heterometallic compounds, [{Cu(pn)
    Language English
    Publishing date 2023-01-11
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma16020731
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  5. Article: The Selection of the Best Derivatization Reagents for the Determination of Polyamines in Home-Made Wine Samples.

    Kmieciak, Anna / Jastrzębska, Aneta / Szymańska, Karolina / Krzemiński, Marek P / Muzioł, Tadeusz M / Kurzawa, Marzanna / Szłyk, Edward

    Materials (Basel, Switzerland)

    2023  Volume 16, Issue 4

    Abstract: The procedures of putrescine, spermine, spermidine, and cadaverine derivatization using 2-chloro-1,3-dinitro-5-(trifluoromethyl)benzene, 1-fluoro-2-nitro-4-(trifluoromethyl) benzene, and 3,5-bis-(trifluoromethyl)phenyl isothiocyanate for chromatographic ... ...

    Abstract The procedures of putrescine, spermine, spermidine, and cadaverine derivatization using 2-chloro-1,3-dinitro-5-(trifluoromethyl)benzene, 1-fluoro-2-nitro-4-(trifluoromethyl) benzene, and 3,5-bis-(trifluoromethyl)phenyl isothiocyanate for chromatographic determination in home-made wine samples are compared in the present study. The procedures discussed were compared regarding simplicity, linearity, precision, and accuracy. The polyamines derivatives were isolated and characterized by X-ray crystallography and
    Language English
    Publishing date 2023-02-09
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma16041474
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  6. Article ; Online: Difluoroborate-based bichromophores: Symmetry relaxation and two-photon absorption.

    Petrusevich, Elizaveta F / Głodek, Marta / Antoniak, Magda A / Muzioł, Tadeusz / Plażuk, Damian / Siomra, Agnieszka / Nyk, Marcin / Ośmiałowski, Borys / Zaleśny, Robert

    Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

    2023  Volume 295, Page(s) 122600

    Abstract: Given potential applications of multiphoton absorbers, in the present work we have studied the symmetry-relaxation effects in one- and two-photon absorption spectra in two bichromophore systems based on difluoroborate core linked by biphenylene or ... ...

    Abstract Given potential applications of multiphoton absorbers, in the present work we have studied the symmetry-relaxation effects in one- and two-photon absorption spectra in two bichromophore systems based on difluoroborate core linked by biphenylene or bianthracene moieties. We have employed a palette of experimental methods (synthesis, one- and two-photon spectroscopy, X-ray crystallography) and state-of-the-art computational methods to shed light on how symmetry relaxation, a result of twisting of building blocks, affects one- and two-photon absorption of the two studied fluorescent dyes. Electronic-structure calculations revealed that the planarity of central biphenyl moiety, as well as deviations from planarity up to 30-40 deg., ensure maximum values of two-photon transition strengths. Perpendicular arrangement of phenylene units in biphenylene moiety leads to 20% drop in the two-photon transition strengths. More detailed studies demonstrated that equilibrium structures of both compounds in chloroform solution show very different values of two-photon absorption cross sections at absorption band maxima, i.e. 224 GM for and 134 GM for biphenyle and bianthracene linkers, respectively. The latter value is in good agreement with experimental value obtained using Z-scan method. The difference in two-photon absorption cross section between both compounds can be rationalized based on equilibrium geometry differences, i.e. interplanar angle is 35 deg and 91 deg in the case of biphenylene and bianthracene moiety, respectively. It is thus not beneficial to introduce conformationally locked central linker based on bianthracene moiety.
    Language English
    Publishing date 2023-03-08
    Publishing country England
    Document type Journal Article
    ZDB-ID 210413-1
    ISSN 1873-3557 ; 0370-8322 ; 0584-8539 ; 1386-1425
    ISSN (online) 1873-3557
    ISSN 0370-8322 ; 0584-8539 ; 1386-1425
    DOI 10.1016/j.saa.2023.122600
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    In stock of ZB MED Bonn / Germany

    Z 51/98: Show issues
    Z 1611 a: Show issues
    924/340: Show issues

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  7. Article: NHC-catalyzed enantioselective C2-functionalization of 3-hydroxychromenones via α,β-unsaturated acyl azoliums

    Dzieszkowski, Krzysztof / Słotwiński, Michał / Rafińska, Katarzyna / Muzioł, Tadeusz M. / Rafiński, Zbigniew

    Chemical communications. 2021 Sept. 30, v. 57, no. 78

    2021  

    Abstract: A novel synthetic method for enantioselective C2-functionalization of 3-hydroxychromenones promoted by N-heterocyclic carbenes via the formation of α,β-unsaturated acyl azolium intermediates, which occurs with Coates–Claisen rearrangement is established. ...

    Abstract A novel synthetic method for enantioselective C2-functionalization of 3-hydroxychromenones promoted by N-heterocyclic carbenes via the formation of α,β-unsaturated acyl azolium intermediates, which occurs with Coates–Claisen rearrangement is established. This synthetic strategy enabled the rapid assembly of enantiomerically enriched δ-hydroxychromenone-derived esters/amides under mild conditions with good to excellent yields and broad substrate scope.
    Keywords amides ; carbenes ; enantioselectivity ; heterocyclic nitrogen compounds
    Language English
    Dates of publication 2021-0930
    Size p. 9999-10002.
    Publishing place The Royal Society of Chemistry
    Document type Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/d1cc03708k
    Database NAL-Catalogue (AGRICOLA)

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  8. Article: Trinuclear Oxo-Titanium Clusters: Synthesis, Structure, and Photocatalytic Activity.

    Janek, Maciej / Muzioł, Tadeusz M / Piszczek, Piotr

    Materials (Basel, Switzerland)

    2019  Volume 12, Issue 19

    Abstract: The interest in titanium (IV) oxo-complexes is due to their potential application in photodegradation processes and environmental pollutants reduction. Titanium (IV) oxo-complexes (TOCs) of the general formula [ ... ...

    Abstract The interest in titanium (IV) oxo-complexes is due to their potential application in photodegradation processes and environmental pollutants reduction. Titanium (IV) oxo-complexes (TOCs) of the general formula [Ti
    Language English
    Publishing date 2019-09-29
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2487261-1
    ISSN 1996-1944
    ISSN 1996-1944
    DOI 10.3390/ma12193195
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  9. Article ; Online: NHC-catalyzed enantioselective C2-functionalization of 3-hydroxychromenones

    Dzieszkowski, Krzysztof / Słotwiński, Michał / Rafińska, Katarzyna / Muzioł, Tadeusz M / Rafiński, Zbigniew

    Chemical communications (Cambridge, England)

    2021  Volume 57, Issue 78, Page(s) 9999–10002

    Abstract: A novel synthetic method for enantioselective C2-functionalization of 3-hydroxychromenones promoted by N-heterocyclic ... ...

    Abstract A novel synthetic method for enantioselective C2-functionalization of 3-hydroxychromenones promoted by N-heterocyclic carbenes
    Language English
    Publishing date 2021-09-30
    Publishing country England
    Document type Journal Article
    ZDB-ID 1472881-3
    ISSN 1364-548X ; 1359-7345 ; 0009-241X
    ISSN (online) 1364-548X
    ISSN 1359-7345 ; 0009-241X
    DOI 10.1039/d1cc03708k
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  10. Article ; Online: Engineering of the

    Kuzniak-Glanowska, Emilia / Konieczny, Piotr / Pełka, Robert / Muzioł, Tadeusz M / Kozieł, Marcin / Podgajny, Robert

    Inorganic chemistry

    2021  Volume 60, Issue 14, Page(s) 10186–10198

    Abstract: An original example ... ...

    Abstract An original example of
    MeSH term(s) Adenine/chemistry ; Copper/chemistry ; Crystallography, X-Ray ; Hydrogen Bonding ; Magnetic Phenomena ; Models, Molecular ; Molecular Conformation ; Organometallic Compounds/chemistry
    Chemical Substances Organometallic Compounds ; Copper (789U1901C5) ; Adenine (JAC85A2161)
    Language English
    Publishing date 2021-07-07
    Publishing country United States
    Document type Journal Article
    ZDB-ID 1484438-2
    ISSN 1520-510X ; 0020-1669
    ISSN (online) 1520-510X
    ISSN 0020-1669
    DOI 10.1021/acs.inorgchem.1c00432
    Database MEDical Literature Analysis and Retrieval System OnLINE

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