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  2. Bringmann, Gerhard; Wohlfarth, Michael; Heubes, Markus

    Observation of exchangeable protons by high-performance liquid chromatography–nuclear magnetic resonance spectroscopy and high-performance liquid chromatography–electrospray ionization mass spectrometry: a useful tool for the hyphenated analysis of natural products

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    Elsevier BV, 2000

    Published in: Journal of Chromatography A

  11. Bringmann, Gerhard; Wohlfarth, Michael; Rischer, Heiko; Heubes, Markus; Saeb, Wael; Diem, Stefanie; Herderich, Markus; Schlauer, Jan

    A Photometric Screening Method for Dimeric Naphthylisoquinoline Alkaloids and Complete On-Line Structural Elucidation of a Dimer in Crude Plant Extracts, by the LC−MS/LC−NMR/LC−CD Triad

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    American Chemical Society (ACS), 2001

    Published in: Analytical Chemistry

  13. Heubes, Markus; Dietz, Thomas; Quast, Helmut; Seefelder, Maximilian; Witzel, Alexander; Gadgil, Vijay R.; Williams, Richard Vaughan

    Lifting of the Degeneracy in Semibullvalenes by Remote and Direct Substituents:  A Quantitative Study Using Variable-Temperature Carbon-13 NMR Spectroscopy

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    American Chemical Society (ACS), 2001

    Published in: The Journal of Organic Chemistry

  14. Bringmann, Gerhard; Heubes, Markus; Breuning, Matthias; Göbel, Lothar; Ochse, Michael; Schöner, Bernd; Schupp, Olaf

    Atropisomerization Barriers of Configurationally Unstable Biaryl Compounds, Useful Substrates for Atroposelective Conversions to Axially Chiral Biaryls

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    American Chemical Society (ACS), 2000

    Published in: The Journal of Organic Chemistry

  15. Bringmann, Gerhard; Heubes, Markus; Breuning, Matthias; Goebel, Lothar; Ochse, Michael; Schoener, Bernd; Schupp, Olaf

    ChemInform Abstract: Novel Concepts in Directed Biaryl Synthesis. Part. 84. Atropisomerization Barriers of Configurationally Unstable Biaryl Compounds, Useful Substrates for Atroposelective Conversions to Axially Chiral Biaryls

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    Wiley, 2000

    Published in: ChemInform

  17. Quast, Helmut; Seefelder, Maximilian; Becker, Christian; Heubes, Markus; Peters, Eva-Maria; Peters, Karl

    Extension of Saunders' Isotopic Perturbation Method as Probe for the Structures in Solution of 2,4,6,8-Substituted Barbaralanes - NMR-Spectroscopic Evidence for the Coexistence of Localised and Delocalised States

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    Wiley, 2000

    Published in: European Journal of Organic Chemistry

  18. Quast, Helmut; Seefelder, Maximilian; Becker, Christian; Heubes, Markus; Peters, Eva-Maria; Peters, Karl

    Extension of Saunders' Isotopic Perturbation Method as Probe for the Structures in Solution of 2,4,6,8-Substituted Barbaralanes – NMR-Spectroscopic Evidence for the Coexistence of Localised and Delocalised States[1]

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    Wiley, 1999

    Published in: European Journal of Organic Chemistry

  19. Quast, Helmut; Seefelder, Maximilian; Becker, Christian; Heubes, Markus; Peters, Eva-Maria; Peters, Karl

    Extension of Saunders’ Isotopic Perturbation Method as Probe for the Structures in Solution of 2,4,6,8-Substituted Barbaralanes – NMR-Spectroscopic Evidence for the Coexistence of Localised and Delocalised States[1]

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    Wiley, 1999

    Published in: European Journal of Organic Chemistry