F Ekkehardt Hahn

Summary

Country: Germany

Publications

  1. ncbi request reprint Template synthesis of benzannulated N-heterocyclic carbene ligands
    F Ekkehardt Hahn
    Institut für Anorganische und Analytische Chemie Westfälische Wilhelms Universität Münster Wilhelm Klemm Strasse 8, 48149 Munster, Germany
    Chemistry 9:704-12. 2003
  2. doi request reprint pi-Bonding in complexes of benzannulated biscarbenes, -germylenes, and -stannylenes: an experimental and theoretical study
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstrasse 36, 48149 Munster, Germany
    Chemistry 14:10716-21. 2008
  3. doi request reprint Heterocyclic carbenes: synthesis and coordination chemistry
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstrasse 30, 48149 Munster, Germany
    Angew Chem Int Ed Engl 47:3122-72. 2008
  4. doi request reprint Self-assembly reactions with a bis(benzene-o-dithiolato) ligand
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Universitat Munster, Corrensstrasse 36, D 48149, Munster, Germany
    Dalton Trans . 2008
  5. ncbi request reprint Benzimidazolin-2-stannylenes with N,N'-alkyl (Me and Et) and Lewis base functional groups
    F Ekkehardt Hahn
    Institut für Anorganische und Analytische Chemie der Westfälischen Wilhelms Universität Münster and NRW Graduate School of Chemistry, Corrensstrasse 36, D 48149 Munster, Germany
    Inorg Chem 46:7662-7. 2007
  6. ncbi request reprint Unsymmetrically N,N'-substituted saturated carbenes: synthesis, reactivity and preparation of a rhodium(I) carbene complex
    F Ekkehardt Hahn
    Institut für Anorganische und Analytische Chemie der Westfälischen Wilhelms Universität Münster, Corrensstrasse 36, 48149, Munster, Germany
    Dalton Trans . 2006
  7. ncbi request reprint A dinuclear triple-stranded helicate with a bis(benzene-o-dithiolato) ligand
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Universitat Munster, Wilhelm Klemm Strasse 8, D 48149, Munster, Germany
    Dalton Trans . 2006
  8. ncbi request reprint Template synthesis of tungsten complexes with saturated N-heterocyclic carbene ligands
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Universitat Munster, Germany
    Chem Commun (Camb) . 2005
  9. doi request reprint Synthesis of a flexible macrocyclic tetraimidazolium salt-precursor for a tetracarbene ligand with metal dependent coordination modes
    Christian Schulte to Brinke
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, D 48149 Munster, Germany
    Dalton Trans 44:14315-22. 2015
  10. ncbi request reprint An unsymmetrical tripodal ligand with NOS2-donor set: coordination chemistry with nickel(II) and zinc(II)
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Wilhelm Klemm Strasse 8, 48149 Munster, Germany
    Inorg Chem 43:6101-7. 2004

Collaborators

  • Guo Xin Jin
  • Stefan Grimme
  • Pablo A Denis
  • Jorge S Gancheff
  • Tania Pape
  • Christian Schulte to Brinke
  • Ramananda Maity
  • Tim Kösterke
  • Ying Feng Han
  • Markus Schmidtendorf
  • Constantin G Daniliuc
  • Alexander Hepp
  • Arnab Rit
  • Julia V Dickschat
  • Narayan Sinha
  • Dirk Brackemeyer
  • Rajorshi Das
  • Sergei Krupski
  • Isabel Piel
  • Christian Mück-Lichtenfeld
  • Dennis Heitmann
  • Frank Glorius
  • Fabian M Conrady
  • Florian Hupka
  • Aarón Flores-Figueroa
  • Florian Roelfes
  • F Ekkehardt Hahn
  • Inga Schellenberg
  • Alexandre Hervé
  • Mareike C Jahnke
  • Rainer Pöttgen
  • Hannah Koppetz
  • Jutta Kösters
  • Fernando Lahoz
  • Ernst Ulrich Würthwein
  • Roland Frohlich
  • Kai Oliver Feldmann
  • Slawomir Urban

Detail Information

Publications39

  1. ncbi request reprint Template synthesis of benzannulated N-heterocyclic carbene ligands
    F Ekkehardt Hahn
    Institut für Anorganische und Analytische Chemie Westfälische Wilhelms Universität Münster Wilhelm Klemm Strasse 8, 48149 Munster, Germany
    Chemistry 9:704-12. 2003
    ..The molecular structures of complexes 9 and 11-15 were confirmed by X-ray diffraction studies...
  2. doi request reprint pi-Bonding in complexes of benzannulated biscarbenes, -germylenes, and -stannylenes: an experimental and theoretical study
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstrasse 36, 48149 Munster, Germany
    Chemistry 14:10716-21. 2008
    ..The experimentally determined bonding parameters of the molybdenum bisstannylene complexes are discussed based on DFT calculations...
  3. doi request reprint Heterocyclic carbenes: synthesis and coordination chemistry
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstrasse 30, 48149 Munster, Germany
    Angew Chem Int Ed Engl 47:3122-72. 2008
    ..This review summarizes the new developments regarding the synthesis of N-heterocyclic carbenes and their metal complexes...
  4. doi request reprint Self-assembly reactions with a bis(benzene-o-dithiolato) ligand
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Universitat Munster, Corrensstrasse 36, D 48149, Munster, Germany
    Dalton Trans . 2008
    ....
  5. ncbi request reprint Benzimidazolin-2-stannylenes with N,N'-alkyl (Me and Et) and Lewis base functional groups
    F Ekkehardt Hahn
    Institut für Anorganische und Analytische Chemie der Westfälischen Wilhelms Universität Münster and NRW Graduate School of Chemistry, Corrensstrasse 36, D 48149 Munster, Germany
    Inorg Chem 46:7662-7. 2007
    ..The molecular structures of 3, 5, and 8 and the relation between the chemical shift recorded for the tin atoms and the solvent (C6D6 or THF-d8) used for recording 119Sn NMR spectra will be discussed...
  6. ncbi request reprint Unsymmetrically N,N'-substituted saturated carbenes: synthesis, reactivity and preparation of a rhodium(I) carbene complex
    F Ekkehardt Hahn
    Institut für Anorganische und Analytische Chemie der Westfälischen Wilhelms Universität Münster, Corrensstrasse 36, 48149, Munster, Germany
    Dalton Trans . 2006
    ..The carbene ligand rac-5d has been coordinated to rhodium(I) to give the square-planar rhodium carbene complex [Cl(cod)Rh(rac-5d)]rac-6d which has been characterized by an X-ray diffraction analysis...
  7. ncbi request reprint A dinuclear triple-stranded helicate with a bis(benzene-o-dithiolato) ligand
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Universitat Munster, Wilhelm Klemm Strasse 8, D 48149, Munster, Germany
    Dalton Trans . 2006
    ..The bis(benzene-o-dithiol) ligand H4-1 reacts with Ti4+ in a self-assembly reaction to give the dinuclear triple-stranded helicate [Ti2(1)3]4- which is the first helicate build exclusively from benzene-o-dithiolato donor groups...
  8. ncbi request reprint Template synthesis of tungsten complexes with saturated N-heterocyclic carbene ligands
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Universitat Munster, Germany
    Chem Commun (Camb) . 2005
    ....
  9. doi request reprint Synthesis of a flexible macrocyclic tetraimidazolium salt-precursor for a tetracarbene ligand with metal dependent coordination modes
    Christian Schulte to Brinke
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, D 48149 Munster, Germany
    Dalton Trans 44:14315-22. 2015
    ..Reaction of with metal centers that prefer a linear coordination mode such as Ag(I) yields the tetranuclear silver(i) octacarbene complex [Ag4()2](PF6)4 featuring four silver(i) ions sandwiched in between two tetra-NHC ligands. ..
  10. ncbi request reprint An unsymmetrical tripodal ligand with NOS2-donor set: coordination chemistry with nickel(II) and zinc(II)
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Wilhelm Klemm Strasse 8, 48149 Munster, Germany
    Inorg Chem 43:6101-7. 2004
    ..It shows a distorted tetrahedral coordination geometry for the zinc(II) ions in an NS3 coordination sphere. In both complexes the hydroxyl functionalized ligand arm of the tripodal ligand remains uncoordinated...
  11. ncbi request reprint Synthesis of benzannulated N-heterocyclic carbene ligands by a template synthesis from 2-nitrophenyl isocyanide
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstrasse 36, 48149 Munster, Germany
    Chemistry 10:6285-93. 2004
    ..The molecular structures of 3-5 and 12-13 were established by X-ray crystallography...
  12. ncbi request reprint Spirocyclic diaminocarbenes: synthesis, coordination chemistry, and investigation of their dimerization behavior
    F Ekkehardt Hahn
    Institut für Anorganische und Analytische Chemie der Westfälischen Wilhelms Universität Münster, Wilhelm Klemm Strasse 8, 48149 Munster, Germany
    Chemistry 11:5080-5. 2005
    ....
  13. doi request reprint Benzannulated N-heterocyclic germylenes and stannylenes with sterically demanding N,N'-substituents
    Sergei Krupski
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, D 48149 Munster, Germany
    Dalton Trans 43:173-81. 2014
    ..Deprotonation of 1b with n-BuLi yields the lithium stannyl anion Li[4] with an n-Bu group bound to the tin(II) center...
  14. doi request reprint Molecular rectangles from platinum(II) and bridging dicarbene, diisocyanide and 4,4'-bipyridine ligands
    Markus Schmidtendorf
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, D 48149 Munster, Germany
    Dalton Trans 42:16128-41. 2013
    ..It reacts to yield the molecular square [20](BF4)8 with four NH,O-substituted dicarbene ligands by Si-O bond cleavage and subsequent intramolecular cyclization. ..
  15. doi request reprint Heterotrimetallic complexes of a phenylene-bridged tricarbene ligand
    Ramananda Maity
    Institut für Anorganische und Analytische Chemie and NRW Graduate School of Chemistry, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, D 48149 Munster, Germany
    Dalton Trans 42:12857-60. 2013
    ....
  16. ncbi request reprint Sterically demanding and chiral N,N'-disubstituted N-heterocyclic germylenes and stannylenes
    Julia V Dickschat
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, D 48149, Munster, Germany
    Dalton Trans 39:11519-21. 2010
    ..X-Ray diffraction studies with both stannylenes demonstrated that the metal centers in these compounds are sufficiently sterically protected to prevent interaction between the tin center and the nitrogen donors of adjacent molecules...
  17. ncbi request reprint A banana-shaped dinuclear complex with a tris(benzene-o-dithiolato) ligand
    Florian Hupka
    , , Corrensstrasse 30, , Germany
    Chem Commun (Camb) 46:3744-6. 2010
    ....
  18. ncbi request reprint Template synthesis of a coordinated tetracarbene ligand with crown ether topology
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Wilhelm Klemm Strasse 8, 48149 Munster, Germany
    Angew Chem Int Ed Engl 44:3759-63. 2005
  19. ncbi request reprint A dinuclear, triple-stranded helicate with a diamide-bridged catechol/benzenedithiol ligand
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Wilhelm Klemm Strasse 8, 48149, Germany
    Angew Chem Int Ed Engl 43:4807-10. 2004
  20. ncbi request reprint Heterocyclic carbenes
    F Ekkehardt Hahn
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat, Munster, Wilhelm Klemm Strasse 8, 48149 Munster, Germany
    Angew Chem Int Ed Engl 45:1348-52. 2006
  21. doi request reprint Metal center dependent coordination modes of a tricarbene ligand
    Ramananda Maity
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, D 48149 Munster, Germany
    Chem Commun (Camb) 49:1011-3. 2013
    ..The remaining imidazolium group in [4]PF(6) can be metallated with [Rh(Cp*)(Cl)(2)](2) to give the trinuclear triply orthometallated complex [5]...
  22. doi request reprint A planar chiral [2.2]paracyclophane derived N-heterocyclic stannylene
    Isabel Piel
    Organisch Chemisches Institut, Munster, Germany
    Dalton Trans 41:13788-90. 2012
    ..2]paracyclophane backbone, which has been characterized by an X-ray diffraction study...
  23. ncbi request reprint Template-controlled synthesis of a planar [16]ane-P2C(NHC)2 macrocycle
    Aarón Flores-Figueroa
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrrensstrasse 30, D 48149 Munster, Germany
    Chem Commun (Camb) 46:324-6. 2010
    ....
  24. ncbi request reprint Stepwise formation of a molecular square with bridging NH,O-substituted dicarbene building blocks
    Fabian M Conrady
    Institut fur Anorganische und Analytische Chemie, Universitat Munster, Corrensstrasse 30, D 48149 Munster, Germany
    J Am Chem Soc 133:11496-9. 2011
    ....
  25. doi request reprint Reversible photochemical modifications in dicarbene-derived metallacycles with coumarin pendants
    Ying Feng Han
    Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Department of Chemistry, Fudan University, 220 Handan Road, 200433 Shanghai P R China Institut für Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, 48149 Münster Germany
    Angew Chem Int Ed Engl 54:4958-62. 2015
    ..Subsequent irradiation at λ=254 nm initiates a photocleavage reaction with reconstitution of the initial dinuclear complexes with coumarin pendants...
  26. doi request reprint Postsynthetic modification of dicarbene-derived metallacycles via photochemical [2 + 2] cycloaddition
    Ying Feng Han
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, D 48149 Munster, Germany
    J Am Chem Soc 135:9263-6. 2013
    ..The tetrakis(NHC) ligand can be liberated from the Ag(I) complexes as the tetraimidazolium salt. For the Au(I) complexes, the substituents at N3 and N3' of the dicarbene ligands determine the outcome of the reaction in the solid state. ..
  27. doi request reprint Synthesis of Complexes Containing an Anionic NHC Ligand with an Unsubstituted Ring-Nitrogen Atom
    Tim Kösterke
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstrasse 30, 48149 Münster Germany, Fax 49 251 833 3018
    Chemistry 18:14594-8. 2012
    ..The "naked" nitrogen atom of the NHC ligand reacts as a strong nucleophile...
  28. doi request reprint A versatile methodology for the regioselective C⁸-metalation of purine bases
    Dirk Brackemeyer
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, D 48149 Munster, Germany
    J Am Chem Soc 136:7841-4. 2014
    ..Protonation of the ylidene at the N(7/9)-atom yields complexes bearing a protic N-heterocyclic carbene ligand derived from the purine base with an NMe,NH-substitution pattern. ..
  29. ncbi request reprint Palladium and platinum complexes of a benzannulated N-heterocyclic plumbylene with an unusual bonding mode
    Dennis Heitmann
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstrasse 30, D 48149 Munster, Germany
    J Am Chem Soc 133:11118-20. 2011
    ..The experimentally determined metric parameters of complexes [2] and [3] are discussed on the basis of DFT calculations...
  30. doi request reprint Heterobimetallic carbene complexes by a single-step site-selective metalation of a tricarbene ligand
    Ramananda Maity
    Institut für Anorganische und Analytische Chemie and NRW Graduate School of Chemistry, Westfalische Wilhelms Universitat Munster, Corrensstrasse 30, D 48149 Munster, Germany
    J Am Chem Soc 135:4966-9. 2013
    ....
  31. ncbi request reprint Stepwise Preparation of a Molecular Square from NR,NR- and NH,O-Substituted Dicarbene Building Blocks
    Markus Schmidtendorf
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstrasse 30, 48149 Münster Germany
    Angew Chem Int Ed Engl 51:2195-8. 2012
    ..Hydrolysis of the OSi(iPr)(3) bonds in this complex leads to the formation of two bridging di(NH,O)-NHC ligands and yields the molecular square that features two types of bridging rigid ditopic di-NHC ligands...
  32. doi request reprint Synthesis of polynuclear Ag(I) and Au(I) complexes from macrocyclic tetraimidazolium salts
    Christian Schulte to Brinke
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, D 48149 Munster, Germany
    Dalton Trans 42:7330-7. 2013
    ..The monosilver complex [Ag(H2-1)](PF6)3, featuring two imidazolium moieties, has been deprotonated and used for the synthesis of the tetranuclear silver(I) octacarbene complex [{Ag(1)}2Ag2](PF6)4...
  33. ncbi request reprint Synthesis of complexes bearing NH,NMe-substituted NHCs by oxidative addition of 2-halogenato-N-methylbenzimidazoles to Ni(0)
    Tim Kösterke
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrrensstrasse 30, D 48149 Munster, Germany
    Chem Commun (Camb) 47:10773-5. 2011
    ....
  34. doi request reprint Single-Step Synthesis of Organometallic Molecular Squares from NR,NR',NR'',NR'''-Substituted Benzobiscarbenes
    Narayan Sinha
    Institut für Anorganische und Analytische Chemie and NRW Graduate School of Chemistry, Westfalische Wilhelms Universitat Munster, Corrensstraße 30, 48149, Munster, Germany
    Chemistry . 2016
    ..Compounds [2](PF6 )4 and [3](PF6 )4 feature exclusively M-carbon bonds making them the first purely organometallic molecular squares...
  35. doi request reprint Oxidative addition of 2-halogenoazoles-direct synthesis of palladium(II) complexes bearing protic NH,NH-functionalized NHC ligands
    Rajorshi Das
    Institut für Anorganische und Analytische Chemie NRW Graduate School of Chemistry, Westfalische Wilhelms Universitat Munster, Corrensstrasse 30, 48149 Münster Germany
    Angew Chem Int Ed Engl 53:1163-6. 2014
    ..A simple one-step procedure is described that leads to complexes with NH,NH-functionalized NHC ligands by the oxidative addition of 2-halogenoazoles to complexes of zero-valent transition metals. ..
  36. ncbi request reprint Self-assembly of molecular cylinders from polycarbene ligands and ag(i) or au(i)
    Arnab Rit
    Institut fur Anorganische und Analytische Chemie, Westfalische Wilhelms Universitat Munster, Corrensstrasse 30, D 48149 Munster, Germany
    J Am Chem Soc 132:4572-3. 2010
    ..The silver(I) complexes undergo transmetalation with [AuCl(SMe(2))] to yield homonuclear gold(I) complexes with retention of the metallosupramolecular assembly...
  37. ncbi request reprint Synthesis of NHC complexes by oxidative addition of 2-chloro-N-methylbenzimidazole
    Tim Kösterke
    Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms Universität Münster, Corrensstrasse 30, D 48149 Münster, Germany
    J Am Chem Soc 133:2112-5. 2011
    ..For M = Pd complex compound trans-[3]BF(4) was obtained, while the oxidative addition for M = Pt yielded a mixture of cis-[4]BF(4) (major) and trans-[4]BF(4) (minor)...
  38. doi request reprint Electronic spectra of oxocomplexes of Re(V) with thiolato ligands
    Jorge S Gancheff
    Institut für Anorganische und Analytische Chemie der Westfälischen Wilhelms Universität, Munster, Corrensstrasse 30, 48149 Munster, Germany
    Spectrochim Acta A Mol Biomol Spectrosc 76:348-55. 2010
    ..The results obtained with larger basis sets suggest that the agreement between experiment and theory was due to an error cancellation between basis set incompleteness and deficiencies in the DFT methods...