Showing 1 - 15 results of 15 for search '"Nuclear Magnetic Resonance"', query time: 0.08s Refine Results
  1. 1

    Viridistratins A−C, Antimicrobial and Cytotoxic Benzo[<i>j</i>]fluoranthenes from Stromata of <i>Annulohypoxylon viridistratum</i> (Hypoxylaceae, Ascomycota) by Kevin Becker, Anna-Charleen Wessel, J. Jennifer Luangsa-ard, Marc Stadler

    Published 2020-05-01
    “…Their chemical structures were elucidated by means of spectral methods, including nuclear magnetic resonance (NMR) spectroscopy and high-resolution mass spectrometry (HR-MS). …”
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    Article
  2. 2

    Two New Triterpenes from Basidiomata of the Medicinal and Edible Mushroom, <i>Laetiporus sulphureus</i> by Khadija Hassan, Blondelle Matio Kemkuignou, Marc Stadler

    Published 2021-11-01
    “…The structures of the isolated compounds were elucidated based on their 1D and 2D nuclear magnetic resonance (NMR) spectroscopic data in combination with high-resolution electrospray mass spectrometric (HR-ESIMS) data. …”
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    Article
  3. 3

    Five Tetramic Acid Derivatives Isolated from the Iranian Fungus <i>Colpoma</i> <i>quercinum</i> CCTU A372 by Gian Primahana, Abolfazl Narmani, Frank Surup, Rémy Bertrand Teponno, Mahdi Arzanlou, Marc Stadler

    Published 2021-05-01
    “…The planar structures of <b>1</b>–<b>5</b> were determined by high-resolution electrospray ionization mass spectrometry (HR-ESIMS) and extensive 1D and 2D nuclear magnetic resonance (NMR) spectroscopy. Their absolute configurations were determined by the combination of electronic circular dischroism (ECD) analysis, <i>J</i>-based configurational analysis, and a rotating-frame Overhauser effect spectroscopy (ROESY) experiment. …”
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    Article
  4. 4

    Antimicrobial and Cytotoxic Cyathane-Xylosides from Cultures of the Basidiomycete <i>Dentipellis fragilis</i> by Winnie Chemutai Sum, Nico Mitschke, Hedda Schrey, Kathrin Wittstein, Harald Kellner, Marc Stadler, Josphat Clement Matasyoh

    Published 2022-08-01
    “…All compounds were characterized by high-resolution electrospray ionization mass spectrometry (HR-ESIMS) as well as by 1D and 2D nuclear magnetic resonance (NMR) spectroscopy. Several of the compounds exhibited significant activities in standardized cell-based assays for the determination of antimicrobial and cytotoxic effects. …”
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    Article
  5. 5

    Nonocarbolines A–E, <i>β</i>-Carboline Antibiotics Produced by the Rare Actinobacterium <i>Nonomuraea</i> sp. from Indonesia by Gian Primahana, Chandra Risdian, Tjandrawati Mozef, Enge Sudarman, Matthias Köck, Joachim Wink, Marc Stadler

    Published 2020-03-01
    “…Their structures were elucidated from high-resolution mass spectrometry, 1D and 2D nuclear magnetic resonance spectroscopy, and the absolute configuration of <b>4</b> was determined by using the modified Mosher method. …”
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    Article
  6. 6

    Drimane-Type Sesquiterpenoids Derived from the Tropical Basidiomycetes <i>Perenniporia centrali-africana</i> and <i>Cerrena</i> sp. nov by Paomephan Pathompong, Sebastian Pfütze, Frank Surup, Thitiya Boonpratuang, Rattaket Choeyklin, Josphat C. Matasyoh, Cony Decock, Marc Stadler, Chuenchit Boonchird

    Published 2022-09-01
    “…The structures were elucidated based on 1D and 2D nuclear magnetic resonance (NMR) spectroscopic data, in combination with high-resolution electrospray mass spectrometric (HR-ESIMS) data. …”
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    Article
  7. 7

    Seven New Cytotoxic and Antimicrobial Xanthoquinodins from <i>Jugulospora vestita</i> by Lulu Shao, Yasmina Marin-Felix, Frank Surup, Alberto M. Stchigel, Marc Stadler

    Published 2020-09-01
    “…The structures of the xanthoquinodins were determined by analysis of the nuclear magnetic resonance (NMR) spectroscopic and mass spectrometric data. …”
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    Article
  8. 8

    Phylogenetic Assignment of the Fungicolous <i>Hypoxylon invadens</i> (Ascomycota, Xylariales) and Investigation of its Secondary Metabolites by Kevin Becker, Christopher Lambert, Jörg Wieschhaus, Marc Stadler

    Published 2020-09-01
    “…</i><i>invadens</i> was thus subjected to submerged cultivation to investigate the produced secondary metabolites, followed by isolation via preparative chromatography and subsequent structure elucidation by means of nuclear magnetic resonance (NMR) spectroscopy and high-resolution mass spectrometry (HR-MS). …”
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    Article
  9. 9

    Macrooxazoles A–D, New 2,5-Disubstituted Oxazole-4-Carboxylic Acid Derivatives from the Plant Pathogenic Fungus <i>Phoma macrostoma</i> by Blondelle Matio Kemkuignou, Laura Treiber, Haoxuan Zeng, Hedda Schrey, Rainer Schobert, Marc Stadler

    Published 2020-11-01
    “…Their structures were elucidated based on high-resolution mass spectrometry (HR-MS) and nuclear magnetic resonance (NMR) spectroscopy. The hitherto unclear structure of macrocidin Z (<b>6</b>) was also confirmed by its first total synthesis. …”
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    Article
  10. 10

    Bioprospection of Tenellins Produced by the Entomopathogenic Fungus <i>Beauveria neobassiana</i> by Rita Toshe, Esteban Charria-Girón, Artit Khonsanit, Janet Jennifer Luangsa-ard, Syeda Javariya Khalid, Hedda Schrey, Sherif S. Ebada, Marc Stadler

    Published 2024-01-01
    “…Their chemical structures were elucidated by 1D and 2D nuclear magnetic resonance (NMR) spectroscopy in combination with high-resolution electrospray ionization mass spectrometry (HR-ESI-MS). …”
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    Article
  11. 11
  12. 12

    Phylogenetic and Chemotaxonomic Studies Confirm the Affinities of <i>Stromatoneurospora phoenix</i> to the Coprophilous Xylariaceae by Kevin Becker, Sarunyou Wongkanoun, Anna-Charleen Wessel, Gerald F. Bills, Marc Stadler, J. Jennifer Luangsa-ard

    Published 2020-08-01
    “…Aside from two new eremophilane sesquiterpenoids named phoenixilanes A–B (<b>1</b>–<b>2</b>), four other components that are known from species of the xylariaceous genera <i>Xylaria</i> and <i>Poronia</i> were identified by spectral methods (nuclear magnetic resonance spectroscopy and high resolution mass spectrometry). …”
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  13. 13

    Meroterpenoids Possibly Produced by a Bacterial Endosymbiont of the Tropical Basidiomycete <i>Echinochaete brachypora</i> by Khadija Hassan, Clara Chepkirui, Natalia Andrea Llanos-López, Josphat C. Matasyoh, Cony Decock, Yasmina Marin-Felix, Marc Stadler

    Published 2022-05-01
    “…The pure metabolites were identified using extensive nuclear magnetic resonance (NMR) spectroscopy and high-resolution mass spectrometry (HR-MS). …”
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    Article
  14. 14

    Unprecedented Antimicrobial and Cytotoxic Polyketides from Cultures of <i>Diaporthe africana</i> sp. nov. by Blondelle Matio Kemkuignou, Christopher Lambert, Marc Stadler, Simeon Kouam Fogue, Yasmina Marin-Felix

    Published 2023-07-01
    “…The structures <b>1</b>–<b>8</b> were determined by a detailed analysis of their spectral data, namely high-resolution electrospray ionization mass spectrometry (HR-ESIMS), 1D/2D nuclear magnetic resonance (NMR) spectroscopy, as well as electronic circular dichroism (ECD) spectra. …”
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  15. 15

    Neurotrophic and Immunomodulatory Lanostane Triterpenoids from Wood-Inhabiting Basidiomycota by Khadija Hassan, Blondelle Matio Kemkuignou, Marco Kirchenwitz, Kathrin Wittstein, Monique Rascher-Albaghdadi, Clara Chepkirui, Josphat C. Matasyoh, Cony Decock, Reinhard W. Köster, Theresia E. B. Stradal, Marc Stadler

    Published 2022-11-01
    “…The structures of the isolated compounds were elucidated based on nuclear magnetic resonance (NMR) spectroscopy in combination with high-resolution electrospray mass spectrometry (HR-ESIMS). …”
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    Article