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Professur Anorganische Chemie
Anorganische Chemie
Dieter Schaarschmidt

Dr. Dieter Schaarschmidt

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Universität Regensburg

 

Dissertation

Über chirale Phosphinoferrocene und deren Anwendung in der (atropselektiven) Synthese räumlich gehinderter Biaryle über eine Suzuki-Miyaura-Reaktion.
Dissertation, 2014, Technische Universität Chemnitz.

 

 

Darstellung chiraler Ferrocenylphosphane und Anwendung derer für die Synthese axial-chiraler Biaryle über eine Suzuki-Miyaura-Reaktion.
Forschungsgebiet Dieter Schaarschmidt

Forschungsgebiet Dieter Schaarschmidt

aus: D. Schaarschmidt, H. Lang, Organometallics 2010, 29, 4196–4198.

 

  1. Ein Pyridinium-Barbiturat-Betainfarbstoff mit ausgeprägter negativer Solvatochromie: ein neuer Ansatz zur molekularen Erkennung.
    I. Bolz, D. Schaarschmidt, T. Rüffer, H. Lang, S. Spange, Angew. Chem. 2009, 121, 7576–7579; Angew. Chem. Int. Ed. 2009, 48, 7440–7443.

  2. A facile one-step catalytic synthesis of biphenyl phosphanes by Suzuki coupling.
    D. Schaarschmidt, H. Lang, Catal. Commun. 2010, 11, 581–583.

  3. Ferrocenyl phosphane nickel carbonyls: Synthesis, solid state structure, and their use as catalysts in the oligomerization of ethylene.
    D. Schaarschmidt, J. Kühnert, S. Tripke, H.G. Alt, C. Görl, T. Rüffer, P. Ecorchard, B. Walfort, H. Lang, J. Organomet. Chem. 2010, 695, 1541–1549.

  4. Elusive ethynyl azides: trapping by 1,3-dipolar cycloaddition and decomposition to cyanocarbenes.
    K. Banert, M. Hagedorn, J. Wutke, P. Ecorchard, D. Schaarschmidt, H. Lang, Chem. Commun. 2010, 4058–4060.

  5. Novel planar-chiral P,O-compounds derived from ferrocenyl aryl ethers.
    D. Schaarschmidt, H. Lang, Eur. J. Inorg. Chem. 2010, 4811–4821.

  6. Copper(I)-Mediated Synthesis of Ferrocenyl Alkyl Ethers.
    D. Schaarschmidt, H. Lang, Organometallics 2010, 29, 4196–4198.

  7. A Dimanganese(II) Complex with Bridging Chlorides: Synthesis, Electrochemistry, Magnetic Behavior, Structure and Bonding.
    B. Bräuer, D. Schaarschmidt, C. Flohrer, T. Rüffer, S. Tripke, A. Hildebrandt, B. Walfort, L. Sorace, H. Lang, Inorg. Chim. Acta 2011, 365, 277–281.

  8. Reactions of Unsaturated Azides, Part 25: Highly Strained 2,3-Bridged 2H-Azirines at the Borderline of Closed-Shell Molecules.
    K. Banert, B. Meier, E. Penk, B. Saha, E.U. Würthner, S. Grimme, T. Rüffer, D. Schaarschmidt, H. Lang, Chem. Eur. J. 2011, 17, 1128–1136.

  9. Electronically Intercommunicating Iron Centers in Di- and Tetra-Ferrocenyl Pyrrols.
    A. Hildebrandt, D. Schaarschmidt, H. Lang, Organometallics 2011, 30, 556–563.

  10. Diferrocenes Containing Thiadiazole Connectivities.
    A. Hildebrandt, D. Schaarschmidt, L. van As, J. Swarts, H. Lang, Inorg. Chim. Acta 2011, 374, 112–118.

  11. Simple and Efficient: Gold Nanoparticles from Triphenylphosphane Gold(I) Carboxylates Without Addition of any Further Stabilising and Reducing Reagent.
    A. Tuchscherer, D. Schaarschmidt, S. Schulze, M. Hietschold, H. Lang, Inorg. Chem. Commun. 2011, 14, 676–678.

  12. P,O-Ferrocenes in Suzuki-Miyaura C,C Couplings.
    D. Schaarschmidt, H. Lang, ACS Catalysis 2011, 1, 411–416.

  13. Efficient and Simple: Ethylene Glycol Isonitrile Gold(I) Chlorides for the Formation and Stabilization of Gold Nanoparticles.
    A. Tuchscherer, D. Schaarschmidt, S. Schulze, M. Hietschold, H. Lang, Eur. J. Inorg. Chem. 2011, 4421–4428.

  14. Influence of Electron Delocalization in Heterocyclic Core Systems on the Electrochemical Communication in 2,5-Di- and 2,3,4,5-Tetraferrocenyl Thiophenes, Furans, and Pyrroles.
    A. Hildebrandt, D. Schaarschmidt, R. Claus, H. Lang, Inorg. Chem. 2011, 50, 10623–10632.

  15. From {Bi22O26} to Chiral Ligand-Protected {Bi38O45}-Based Bismuth Oxido Clusters.
    D. Mansfeld, L. Miersch, T. Rüffer, D. Schaarschmidt, H. Lang, T. Böhle, R.W. Troff, C.A. Schalley, J. Müller, M. Mehring, Chem. Eur. J. 2011, 17, 14805–14810.

  16. Ferrocenyl Maleimides — Synthesis, (Spectro-)Electrochemistry, and Solvatochromism.
    A. Hildebrandt, S.W. Lehrich, D. Schaarschmidt, R. Jaeschke, K. Schreiter, S. Spange, H. Lang, Eur. J. Inorg. Chem. 2012, 1114–1121.

  17. Gold Nanoparticles Generated by Thermolysis of "All-in-One" Gold(I) Carboxylate Complexes.
    A. Tuchscherer, D. Schaarschmidt, S. Schulze, M. Hietschold, H. Lang, Dalton Trans. 2012, 41, 2738–2746.

  18. Fundamental Study of (Ferrocenylethynyl)phosphines: Correlation of Steric and Electronic Effects in C,C Cross-Coupling Reactions.
    B. Milde, D.Schaarschmidt, P. Ecorchard, H. Lang, J. Organomet. Chem. 2012, 706–707, 52–65.

  19. Atropisomeric 3,3′,4,4′,5,5′-Hexaferrocenyl-2,2′-bithiophene: Synthesis, Solid-State Structure, and Electrochemistry.
    J.M. Speck, D. Schaarschmidt, H. Lang, Organometallics 2012, 31, 1975–1982.

  20. Synthesis, Electrochemistry, Spectroelectrochemistry, and Solid-State Structures of Palladium Biferrocenylphosphines and Their Use in C,C Cross-Coupling Reactions.
    M. Lohan, B. Milde, S. Heider, J.M. Speck, S. Krauße, D. Schaarschmidt, T. Rüffer, H. Lang, Organometallics 2012, 31, 2310–2326.

  21. Cyclopentadienyl Dicarbonyl Iron-Bismuth Compounds — Synthesis, Structure, and Reactivity.
    K. Wójcik, P. Ecorchard, D. Schaarschmidt, T. Rüffer, H. Lang, M. Mehring, Z. Anorg. Allg. Chem. 2012, 638, 1723–1730.

  22. Phosphino imidazoles and imidazolium salts for Suzuki C–C coupling reactions.
    B. Milde, D. Schaarschmidt, T. Rüffer, H. Lang, Dalton Trans. 2012, 41, 5377–5390.

  23. Imidazole Phosphines: Synthesis, Reaction Chemistry, and Their Use in Suzuki C,C Cross-Coupling Reactions.
    B. Milde, R. Packheiser, S. Hildebrandt, D. Schaarschmidt, T. Rüffer, H. Lang, Organometallics 2012, 31, 3661–3671.

  24. Ruthenocenes and Half-Open Ruthenocenes — Synthesis, Characterization and Their Use as CVD Precursors for Ruthenium Thin Film Deposition.
    A. Tuchscherer, C. Georgi, N. Roth, D. Schaarschmidt, T. Rüffer, T. Wächtler, S.E. Schulz, S. Oswald, T. Geßner, H. Lang, Eur. J. Inorg. Chem. 2012, 4867–4876.

  25. Solvatochromism and acidochromism of azobenzene-functionalized poly(vinyl amines).
    K. Hofmann, S. Brumm, C. Mende, K. Nagel, A. Seifert, I. Roth, D. Schaarschmidt, H. Lang, S. Spange, New. J. Chem. 2012, 36, 1655–1664.

  26. Di- and Triferrocenyl (Hetero)Aromatics: Synthesis, Characterization, (Spectro-)Electrochemistry, and Calculations.
    U. Pfaff, A. Hildebrandt, D. Schaarschmidt, T. Hahn, S. Liebing, J. Kortus, H. Lang, Organometallics 2012, 31, 6761–6771.

  27. 1,4-Dihydrobenzo[g]quinoxaline-2,3-dione.
    F. Eya′ane Meva, D. Schaarschmidt, M.A. Abdulmalic, T. Rüffer, Acta Cryst. 2012, E68, o3460–o3461.

  28. Synthesis and Characterization of Polynuclear Oxidobismuth Sulfonates.
    L. Miersch, T. Rüffer, D. Schaarschmidt, H. Lang, R.W. Troff, C.A. Schalley, M. Mehring, Eur. J. Inorg. Chem. 2013, 1427–1433.

  29. Wohlbekannt oder neu? Eine erneute Untersuchung der Synthese und Strukturzuordnung binärer C2N14-Verbindungen.
    K. Banert, S. Richter, D. Schaarschmidt, H. Lang, Angew. Chem. 2013, 125, 3583–3586; Angew. Chem. Int. Ed. 2013, 52, 3499–3502.

  30. The Effect of PEGylated Dendrimers on the Catalytic Activity and Stability of Palladium Particles in the Suzuki Reaction.
    C. Gäbler, J. Jeschke, G. Nurgazina, S. Dietrich, D. Schaarschmidt, C. Georgi, M. Schlesinger, M. Mehring, H. Lang, Catal. Lett. 2013, 143, 317–323.

  31. Synthesis of Dibromobenzobarrelene Derivatives and Catalytic Activity of Their Rhodium Complexes.
    M. Schlesinger, M. Hofmann, T. Rüffer, D. Schaarschmidt, H. Lang, S. Theilacker, M. Schürmann, K. Jurkschat, M. Mehring, Eur. J. Inorg. Chem. 2013, 2930–2939.

  32. Selective Syntheses of Planar-Chiral Ferrocenes.
    D. Schaarschmidt, H. Lang, Organometallics 2013, 32, 5668–5704.

  33. Molecular Wires using (Oligo)pyrroles as Connecting Units: An Electron Transfer Study.
    U. Pfaff, A. Hildebrandt, D. Schaarschmidt, T. Rüffer, P.J. Low, H. Lang, Organometallics 2013, 32, 6106–6117.

  34. Tin Oxide Nanoparticles and SnO2/SiO2 Hybrid Materials by Twin Polymerization Using Tin(IV) Alkoxides.
    C. Leonhardt, S. Brumm, A. Seifert, G. Cox, A. Lange, T. Rüffer, D. Schaarschmidt, H. Lang, N. Jöhrmann, M. Hietschold, F. Simon, M. Mehring, ChemPlusChem 2013, 78, 1400–1412.

  35. Planar-chiral phosphino alkenylferrocenes – Synthesis, solid-state structure and electrochemistry.
    D. Schaarschmidt, A. Hildebrandt, S. Bock, H. Lang, J. Organomet. Chem. 2014, 751, 742–753.

  36. Anionic Phospho-Fries Rearrangement at Ferrocene: One-Pot Approach to P,O-Substituted Ferrocenes.
    M. Korb, D. Schaarschmidt, H. Lang, Organometallics 2014, 33, 2099–2108.

  37. A Planar-Chiral Phosphino(alkenyl)ferrocene for Suzuki-Miyaura C–C Coupling Reactions.
    D. Schaarschmidt, M. Grumbt, A. Hildebrandt, H. Lang, Eur. J. Org. Chem. 2014, 6676–6685.

  38. Crystal structure of cyclo-bis(μ4-2,2-diallylmalonato-κ6O1,O3:O3:O1′,O3′:O1′)tetrakis(triphenylphosphane-κP)tetrasilver(I).
    P. Frenzel, A. Jakob, D. Schaarschmidt, T. Rüffer, H. Lang, Acta Cryst. 2014, E70, 174–177.

  39. Ferrocenyl-Based P,N Catalysts for the Mono-α-Arylation of Acetone.
    C. Gäbler, M. Korb, D. Schaarschmidt, A. Hildebrandt, H. Lang, Adv. Synth. Catal. 2014, 356, 2979–2983.

  40. Modification of a Hexadentate Amine based Ligand System by N-Methylation and Effects on Spin State and Redox Behavior of the Corresponding Transition Metal Complexes.
    S. Heider, H. Petzold, J.M. Speck, T. Rüffer, D. Schaarschmidt, Z. Anorg. Allg. Chem. 2014, 640, 1360–1367.

  41. Electron-Transfer Studies of trans-Platinum Bis(acetylide) Complexes.
    D. Miesel, A. Hildebrandt, T. Rüffer, D. Schaarschmidt, H. Lang, Eur. J. Inorg. Chem. 2014, 5541–5553.

  42. Synthesis, Properties, and Electron Transfer Studies of Ferrocenyl Thiophenes.
    E.A. Poppitz, A. Hildebrandt, M. Korb, D. Schaarschmidt, H. Lang, Z. Anorg. Allg. Chem. 2014, 680, 2809–2816.

  43. (Ferrocenylthienyl)phosphines for the Suzuki-Miyaura C,C coupling.
    C. Gäbler, M. Korb, D. Schaarschmidt, J.M. Speck, A. Hildebrandt, H. Lang, Inorg. Chem. Commun. 2015, 54, 96–99.

  44. Multiferrocenyl Cobalt-Based Sandwich Compounds.
    G. Filipczyk, S. W. Lehrich, A. Hildebrandt, T. Rüffer, D. Schaarschmidt, M. Korb, H. Lang, Eur. J. Inorg. Chem. 2016 263–275 .

 

  1. A Convenient Way to Functionalized Phosphinoferrocenes.
    D. Schaarschmidt, C. Schreiner, P. Ecorchard, H. Lang, 7th Ferrocene Colloquium, 16.–18.02.2009, Düsseldorf.

  2. Nickel- und Palladiumverbindungen in der homogenen Katalyse.
    D. Schaarschmidt, H. Lang, International Main-Group-Element and Organometallic Meeting, 24.–27.09.2009, Bad Schandau.

  3. Novel Planar Chiral P,O-Compounds Derived from Ferrocenyl Aryl Ethers.
    D. Schaarschmidt, H. Lang, 8th Ferrocene Colloquium, 17.–19.02.2010, Bochum.

  4. Chiral P,O-Ferrocenes as Ligands in the Suzuki-Miyaura Coupling.
    D. Schaarschmidt, H. Lang, 9th Ferrocene Colloquium, 14.–16.02.2011, Chemnitz.

  5. P,O-Ferrocenes in Suzuki–Miyaura C,C Couplings.
    D. Schaarschmidt, H. Lang, FCI Stipendiatentreffen, 20.01.2012, TU Berlin.

  6. Chiral Ferrocenes in Suzuki-Miyaura C,C-Couplings.
    D. Schaarschmidt, H. Lang, 15th International Conference on Catalysis, Poster Symposia CC-coupling/cleavage, 01.–06.07.2012, München.

  7. Homogeneously Catalyzed C–C-Coupling Reactions.
    D. Schaarschmidt, H. Lang, Mitteldeutscher Katalyse-Lehrverbund, 16.–20.07.2012, Universität Leipzig.

  8. Chiral Ferrocenes in Suzuki-Miyaura C,C-Couplings.
    D. Schaarschmidt, H. Lang, 11th Ferrocene Colloquium, 06.–08.02.2013, Hannover.

  9. Homogeneously Catalyzed C–C-Coupling Reactions.
    D. Schaarschmidt, H. Lang, Mitteldeutscher Katalyse-Lehrverbund, 15.–19.07.2013, Universität Leipzig.

  10. Chiral phosphinoferrocenes and their application in Suzuki-Miyaura couplings for the (atropselective) synthesis of sterically congested biaryls.
    D. Schaarschmidt, Universität Regensburg, Organisches Kolloquium, 29.01.2015, Regensburg.

 

  1. Ferrocenyl Phosphine-based Catalysts for Suzuki-Miyaura Cross-Coupling Reactions.
    B. Milde, S. Tripke, D. Schaarschmidt, A. Jakob, H. Lang, 42. Jahrestreffen Deutscher Katalytiker, 11.–13.03.2009, Weimar.

  2. Neue planar-chirale P,O-Verbindungen abgeleitet von Ferrocenylethern.
    D. Schaarschmidt, H. Lang, 43. Jahrestreffen Deutscher Katalytiker, 10.–12.03.2010, Weimar.

  3. A Convenient Way to Functionalized Phosphinoferrocenes.
    D. Schaarschmidt, C. Schreiner, H. Lang, 3rd EuCheMS Chemistry Congress, 29.08.–02.09.2010, Nürnberg.

  4. Copper(I)-Mediated Synthesis of Ferrocenyl Alkyl Ethers.
    D. Schaarschmidt, H. Lang, 3rd EuCheMS Chemistry Congress, 29.08.–02.09.2010, Nürnberg.

  5. A facile one-step catalytic synthesis of biphenyl phosphanes by Suzuki coupling.
    D. Schaarschmidt, H. Lang, 3rd EuCheMS Chemistry Congress, 29.08.–02.09.2010, Nürnberg.

  6. A Convenient Way to Functionalized Phosphinoferrocenes and their Use in Carbon-Carbon Cross-Coupling Reactions.
    D. Schaarschmidt, C. Schreiner, H. Lang, 9th Ferrocene Colloquium, 14.–16.02.2011, Chemnitz.

  7. P,O-Ferrocene für die Umsetzung räumlich anspruchsvoller Arylhalogenide.
    D. Schaarschmidt, H. Lang, 44. Jahrestreffen Deutscher Katalytiker, 16.–18.03.2011, Weimar.

  8. P,O-Ferrocenes in Suzuki–Miyaura C,C Couplings.
    D. Schaarschmidt, H. Lang, 6th Heidelberg Forum of Molecular Catalysis, 22.07.2011, Heidelberg.

  9. The versatile Chemistry of Ferrocenyl Alkyl Ethers.
    D. Schaarschmidt, H. Lang, 10th Ferrocene Colloquium, 15.–17.02.2012, Braunschweig.

  10. P,O-Ferrocene für die Herstellung ortho-substituierter Biaryle.
    D. Schaarschmidt, H. Lang, 45. Jahrestreffen Deutscher Katalytiker, 14.–16.03.2012, Weimar.

  11. Chiral Ferrocenes in Suzuki-Miyaura C,C-Couplings.
    D. Schaarschmidt, H. Lang, 15th International Conference on Catalysis, 01.–06.07.2012, München.

  12. Chirale Alkenylferrocene für die Suzuki-Miyaura-Reaktion.
    D. Schaarschmidt, H. Lang, Jahrestagung der Fachgruppe Nachhaltige Chemie, 16.–18.09.2012, Kaiserslautern.

  13. Chiral Alkenylferrocenes in Suzuki-Miyaura C,C-Couplings.
    D. Schaarschmidt, H. Lang, 46. Jahrestreffen Deutscher Katalytiker, 13.–15.03.2013, Weimar.

  14. Chiral Alkenylferrocenes in Suzuki-Miyaura C,C-Couplings.
    D. Schaarschmidt, M. Korb, H. Lang, 7th Heidelberg Forum of Molecular Catalysis, 28.06.2013, Heidelberg.