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Friedrich-Alexander-Universität Lehrstuhl für Anorganische und Metallorganische Chemie
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  2. Naturwissenschaftliche Fakultät
Friedrich-Alexander-Universität Lehrstuhl für Anorganische und Metallorganische Chemie
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Lehrstuhl für Anorganische und Metallorganische Chemie

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  • Prof. Dr. Harder
    • CV – Prof. Harder
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    • Anionic (nucleophilic) Mg0 complexes
    • Dinitrogen activation with Ca
    • Ball-mill applications in low-valent alkaline-earth metal chemistry
    • Early main group metal catalysis
    • Hydrogenation catalysis
    • Boosting main group catalysts by just a pinch of Fe0
    • Heterobimetallic catalysis: The story of LiAlH4
    • Molecule activation with s-block and p-block combinations
    • Soluble alkaline-earth metal hydrides
    • Hydrogen storage in molecular Mg-hydride clusters
    • Hydrogen storage in Ca-amidoborane
    • Hydrocarbon-Soluble Calcium Hydride
    • Calcium Carbene Complexes
    • Calcium in Polymerization Chemistry and Catalysis
    • Bimetallic Catalysis
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Harder Research Group 2021
photo: Martin Brötsch (FAU, Erlangen-Nürnberg)

Harder Research Group

Prof. Dr. Sjoerd Harder

Lehrstuhl für Anorganische und Metallorganische Chemie I

 

 

 

 

 

 

 

 

Our Research Topics

Research work in our group is mainly focussed on the organometallic chemistry of early main group metals, with a special interest in the heavier alkaline-earth metals (Ca, Sr and Ba), the late group 12 d-block metals (e.g. Zn) and the lanthanides.
We have several national and international collaborations with universities and industry.
  • Superbulky Cp ligands – CpBIG

    Zum Artikel "Superbulky Cp ligands – CpBIG"

    (Bu-chains not shown)

    CpBIG

    Although chemistry with the superbulky ligand Ph5Cp was initiated many years ago, it has never been fully developed for two reasons:

    the ligands are extremely bulky. Synthesis of its simple ferrocene is not easily achieved.
    all Ph5Cp complexes are extremely ...

    Weiterlesen

  • Hydrogen Storage Materials

    Zum Artikel "Hydrogen Storage Materials"

    Ammonia-Borane (NH3BH3) is one of the most promising materials for chemical storage of H2. It contains nearly 20 wt% of H, is non-toxic and non-flammable. Decomposition into H2 and “BN” materials, however needs forcing conditions (120-500 °C) and is non-reversible.

    Recently introduced metal-amido...

    Weiterlesen

  • Hydrocarbon-Soluble Calcium Hydride

    Zum Artikel "Hydrocarbon-Soluble Calcium Hydride"

    Although the early main group metal hydrides (LiH, NaH, CaH2) are well-established reagents, hardly any well-defined molecular hydride complexes are known. This is partly due to the lack of synthetic procedures but also related to their dynamic behaviour and the very high lattice energies of the sal...

    Weiterlesen

  • Calcium in Polymerization Chemistry and Catalysis

    Zum Artikel "Calcium in Polymerization Chemistry and Catalysis"

    Polymerization of styrene proceeds with high stereoselectivity (95% syndiotactic) and is living.

    Feil, Knoll, Harder Angew. Chem. 2001

    Three good reasons to do catalysis with calcium:

    It is cheap (€ 6 / mol!)
    It ís biocompatible
    It is world-wide available

    Representative publicati...

    Weiterlesen

  • Calcium Carbene Complexes

    Zum Artikel "Calcium Carbene Complexes"

    The first calcium carbene complexes with a formal electrostatic "double bond" between a R2C2- unit and Ca2+ have been obtained in the form of a bis(iminophosphorane)-methandiide complex.

    Substitution of the Me3Si-substituent for the much larger 2, 6-diisopropylphenyl group results in formation of...

    Weiterlesen

  • Bimetallic Catalysis

    Zum Artikel "Bimetallic Catalysis"

    Most enzymes are multimetallic catalysts that cooperate efficiently in order to accomplish their specific tasks. We have developed a variety of bimetallic catalysts that have been tested in the copolymerization of cyclohexene oxide and CO2. The dimeric Zn catalyst for this reaction suffers from a di...

    Weiterlesen

  • Alkaline-Earth Metal Chemistry

    Zum Artikel "Alkaline-Earth Metal Chemistry"

    More than 100 years after Victor Grignard, the organometallic chemistry of the heavier alkaline-earth metals (Ca, Sr and Ba) was partly still in a very primitive state. Although Cp-chemistry was well-developed, only few well-stabilized, and therefore relatively unreactive, metal-alkyl complexes were...

    Weiterlesen

 

 

 

 

 

 

 

 

 

 

Lehrstuhl für Anorganische und Metallorganische Chemie
Department Chemie und Pharmazie

Egerlandstr. 1
91058 Erlangen
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