Herbert Mayr

Summary

Affiliation: University of Munich
Country: Germany

Publications

  1. ncbi request reprint Counterion effects in iminium-activated electrophilic aromatic substitutions of pyrroles
    Sami Lakhdar
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstr 5 13 Haus F, 81377 Munchen, Germany
    Chem Commun (Camb) 47:1866-8. 2011
  2. doi request reprint Farewell to the HSAB treatment of ambident reactivity
    Herbert Mayr
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstrasse 5 13 Haus F, 81377 Munchen, Germany
    Angew Chem Int Ed Engl 50:6470-505. 2011
  3. ncbi request reprint Kinetics and mechanism of organocatalytic aza-Michael additions: direct observation of enamine intermediates
    Sami Lakhdar
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstr 5 13 Haus F, 81377 Munchen, Germany
    Chem Commun (Camb) 48:4504-6. 2012
  4. doi request reprint A comprehensive microscopic picture of the benzhydryl radical and cation photogeneration and interconversion through electron transfer
    Christian F Sailer
    Lehrstuhl fur BioMolekulare Optik, Ludwig Maximilians Universitat Munchen, Oettingenstr 67, 80538 Munchen, Germany
    Chemphyschem 14:1423-37. 2013
  5. doi request reprint Electrophilic aromatic substitutions of aryltrifluoroborates with retention of the BF3- group: quantification of the activating and directing effects of the trifluoroborate group
    Guillaume Berionni
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstr 5 13 Haus F, 81377 Munchen, Germany
    J Am Chem Soc 135:6317-24. 2013
  6. doi request reprint Ambident reactivities of formaldehyde n,n-dialkylhydrazones
    Biplab Maji
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstrasse 5 13 Haus F, 81377 München Germany
    Angew Chem Int Ed Engl 52:11900-4. 2013
  7. doi request reprint Leaving group dependence of the rates of halogen-magnesium exchange reactions
    Lei Shi
    the Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, China, and Department Chemie der Ludwig Maximilians Universität München, Butenandtstrasse 5 13 Haus F, München 81377, Germany
    Org Lett 14:2602-5. 2012
  8. doi request reprint Structures and ambident reactivities of azolium enolates
    Biplab Maji
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstrasse 5 13 Haus F, 81377 München Germany http www cup uni muenchen de oc mayr
    Angew Chem Int Ed Engl 52:11163-7. 2013
  9. doi request reprint Nucleophilicity parameters of pyridinium ylides and their use in mechanistic analyses
    Dominik S Allgäuer
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstrasse 5 13, 81377 Munchen, Germany
    J Am Chem Soc 135:15216-24. 2013
  10. pmc 5-[(E)-Meth-oxy(phen-yl)methyl-idene]-1,3,4-triphenyl-4,5-dihydro-1H-1,2,4-triazole
    Biplab Maji
    Ludwig Maximilians Universitat, Department Chemie und Biochemie, Butenandtstrasse 5 13, 81377 Munchen, Germany
    Acta Crystallogr Sect E Struct Rep Online 68:o3307. 2012

Collaborators

  • Sami Lakhdar
  • Lei Shi
  • Biplab Maji
  • Peter Mayer
  • Guillaume Berionni
  • Markus Horn
  • Dominik S Allgäuer
  • Christian F Sailer
  • Paul Knochel
  • Eberhard Riedle
  • Varvara Morozova
  • Christoph Nolte
  • Armin R Ofial
  • Ludwig H Schappele
  • Sebastian Thallmair
  • Maximilian Heininger
  • Igor Pugliesi
  • Gabriele Lang-Wittkowski
  • Benjamin P Fingerhut
  • Konstantin Troshin
  • Regina de Vivie-Riedle
  • Johannes Ammer

Detail Information

Publications14

  1. ncbi request reprint Counterion effects in iminium-activated electrophilic aromatic substitutions of pyrroles
    Sami Lakhdar
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstr 5 13 Haus F, 81377 Munchen, Germany
    Chem Commun (Camb) 47:1866-8. 2011
    ....
  2. doi request reprint Farewell to the HSAB treatment of ambident reactivity
    Herbert Mayr
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstrasse 5 13 Haus F, 81377 Munchen, Germany
    Angew Chem Int Ed Engl 50:6470-505. 2011
    ..An alternative treatment of ambident reactivity based on Marcus theory will be presented...
  3. ncbi request reprint Kinetics and mechanism of organocatalytic aza-Michael additions: direct observation of enamine intermediates
    Sami Lakhdar
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstr 5 13 Haus F, 81377 Munchen, Germany
    Chem Commun (Camb) 48:4504-6. 2012
    ..Unfavourable proton shifts from the imidazolium unit to the enamine fragment in the adduct 3 account for the failure of imidazoles to take part in iminium-activated aza-Michael additions to enals...
  4. doi request reprint A comprehensive microscopic picture of the benzhydryl radical and cation photogeneration and interconversion through electron transfer
    Christian F Sailer
    Lehrstuhl fur BioMolekulare Optik, Ludwig Maximilians Universitat Munchen, Oettingenstr 67, 80538 Munchen, Germany
    Chemphyschem 14:1423-37. 2013
    ..The results demonstrate that, at least for aprotic solvents, traditional descriptions of reaction mechanisms based on the concept of contact and solvent-separated pairs have to be reassessed...
  5. doi request reprint Electrophilic aromatic substitutions of aryltrifluoroborates with retention of the BF3- group: quantification of the activating and directing effects of the trifluoroborate group
    Guillaume Berionni
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstr 5 13 Haus F, 81377 Munchen, Germany
    J Am Chem Soc 135:6317-24. 2013
    ..Remote reactions of heteroaryl trifluoroborates with iminium ions provide straightforward access to novel zwitterionic ammonium or iminium trifluoroborates, which have been characterized by single-crystal X-ray analyses...
  6. doi request reprint Ambident reactivities of formaldehyde n,n-dialkylhydrazones
    Biplab Maji
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstrasse 5 13 Haus F, 81377 München Germany
    Angew Chem Int Ed Engl 52:11900-4. 2013
    ....
  7. doi request reprint Leaving group dependence of the rates of halogen-magnesium exchange reactions
    Lei Shi
    the Academy of Fundamental and Interdisciplinary Sciences, Harbin Institute of Technology, Harbin 150080, China, and Department Chemie der Ludwig Maximilians Universität München, Butenandtstrasse 5 13 Haus F, München 81377, Germany
    Org Lett 14:2602-5. 2012
    ..Preliminary experiments show that the p-tolylsulfinyl group is exchanged slightly faster than iodide, while a tosyl group is exchanged at least 10(4) times more slowly than a bromide. ..
  8. doi request reprint Structures and ambident reactivities of azolium enolates
    Biplab Maji
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstrasse 5 13 Haus F, 81377 München Germany http www cup uni muenchen de oc mayr
    Angew Chem Int Ed Engl 52:11163-7. 2013
    ..Kinetic studies show that the enolate oxygen is 20 times more nucleophilic than the carbon atom, but under thermodynamic control exclusive C-addition products were formed. ..
  9. doi request reprint Nucleophilicity parameters of pyridinium ylides and their use in mechanistic analyses
    Dominik S Allgäuer
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstrasse 5 13, 81377 Munchen, Germany
    J Am Chem Soc 135:15216-24. 2013
    ..Deviations between calculated and experimental rate constants by a factor of 10(6) were demonstrated to indicate a change of reaction mechanism...
  10. pmc 5-[(E)-Meth-oxy(phen-yl)methyl-idene]-1,3,4-triphenyl-4,5-dihydro-1H-1,2,4-triazole
    Biplab Maji
    Ludwig Maximilians Universitat, Department Chemie und Biochemie, Butenandtstrasse 5 13, 81377 Munchen, Germany
    Acta Crystallogr Sect E Struct Rep Online 68:o3307. 2012
    ..The dihedral angles between the four phenyl rings and the 1,2,4-triazole ring are 31.01 (10), 49.01 (8), 78.55 (6) and 41.51 (9)°. In the crystal, mol-ecules are linked along [100] by weak C-H⋯O hydrogen bonds...
  11. doi request reprint Towards a comprehensive hydride donor ability scale
    Markus Horn
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstrasse 5 13 Haus F, 81377 Munchen, Germany
    Chemistry 19:249-63. 2013
    ....
  12. pmc A quantitative approach to nucleophilic organocatalysis
    Herbert Mayr
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandstr 5 13 Haus F, 81377 Munchen, Germany
    Beilstein J Org Chem 8:1458-78. 2012
    ..O-Methylated Breslow intermediates are a hundred-fold less nucleophilic than deoxy Breslow intermediates...
  13. ncbi request reprint Structures and reactivities of o-methylated breslow intermediates
    Biplab Maji
    Department Chemie, Ludwig Maximilians Universitat Munchen, Butenandtstrasse 5 13 Haus F, 81377 München Germany http www cup lmu de oc mayr
    Angew Chem Int Ed Engl 51:10408-12. 2012
    ..A series of these compounds have been synthesized, their structures determined, and the kinetics of their reactions with electrophiles investigated...
  14. ncbi request reprint Generation of α,β-unsaturated iminium ions by laser flash photolysis
    Sami Lakhdar
    Department Chemie, Ludwig Maximilians Universitat Munchen, Germany
    Angew Chem Int Ed Engl 50:9953-6. 2011
    ..The rate constants of their reactions with nucleophiles provide the first direct comparison of the electrophilicities of iminium ions derived from MacMillan's first- and second-generation catalysts...