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Koop Lammertsma

Researcher Next ID · RN-043065

Researcher · Chemistry

University of Johannesburg

Johannesburg, South Africa

Accepting doctoral researchersFunding unknown
Works count
617
Citation count
11,103
H-index
54
i10-index
234

Research interests

Chemistry
Materials Science
Crystallization and Solubility Studies
X-ray Diffraction in Crystallography
Synthesis and characterization of novel inorganic/organometallic compounds
Organometallic Complex Synthesis and Catalysis
Organophosphorus compounds synthesis

Publications

  • Reaction of a P/Al‐Based Frustrated Lewis Pair with Ammonia, Borane, and Amine–Boranes: Adduct Formation and Catalytic Dehydrogenation

    Angewandte Chemie International Edition · 2013 · 10.1002/anie.201208746

  • Scarcity of Rare Earth Elements

    ChemSusChem · 2013 · 10.1002/cssc.201200794

  • Dimeric aluminum–phosphorus compounds as masked frustrated Lewis pairs for small molecule activation

    Dalton Transactions · 2012 · 10.1039/c2dt30080j

  • Geminal Phosphorus/Aluminum‐Based Frustrated Lewis Pairs: CH versus CC Activation and CO2 Fixation

    Angewandte Chemie International Edition · 2011 · https://doi.org/10.1002/anie.201006901

  • Preorganized Frustrated Lewis Pairs

    Journal of the American Chemical Society · 2011 · 10.1021/ja210214r

  • Nucleophilic Phosphinidene Complexes: Access and Applicability

    Angewandte Chemie International Edition · 2010 · 10.1002/anie.200905689

  • Stereomutation of Pentavalent Compounds: Validating the Berry Pseudorotation, Redressing Ugi’s Turnstile Rotation, and Revealing the Two- and Three-Arm Turnstiles

    Journal of the American Chemical Society · 2010 · 10.1021/ja105306s

  • Consistent Theoretical Description of 1,3-Dipolar Cycloaddition Reactions

    The Journal of Physical Chemistry A · 2006 · 10.1021/jp057329x

  • Electronic Ground States of Iron Porphyrin and of the First Species in the Catalytic Reaction Cycle of Cytochrome P450s

    The Journal of Physical Chemistry A · 2005 · 10.1021/jp0441442

  • Performance of the OPBE exchange-correlation functional

    Molecular Physics · 2004 · https://doi.org/10.1080/0026897042000275017

  • Validation of Exchange−Correlation Functionals for Spin States of Iron Complexes

    The Journal of Physical Chemistry A · 2004 · https://doi.org/10.1021/jp049043i

  • Phosphinidenes

    Topics in current chemistry · 2003 · 10.1007/b11152

  • Nucleophilic or Electrophilic Phosphinidene Complexes MLnPH; What Makes the Difference?

    Journal of the American Chemical Society · 2002 · 10.1021/ja017445n

  • Carbene-Like Chemistry of Phosphinidene Complexes − Reactions, Applications, and Mechanistic Insights

    European Journal of Organic Chemistry · 2002 · 10.1002/1099-0690(200204)2002:7<1127::aid-ejoc1127>3.0.co;2-x

  • Ab Initio Density Functional Computations of Conformations and Bond Dissociation Energies for Hexahydro-1,3,5-trinitro-1,3,5-triazine

    Journal of the American Chemical Society · 1997 · 10.1021/ja970392i

  • Imine .dblharw. enamine tautomerism

    Journal of the American Chemical Society · 1994 · 10.1021/ja00081a027

  • Organic Dications: Gas Phase Experiments and Theory in Concert

    Angewandte Chemie International Edition in English · 1989 · 10.1002/anie.198913211

  • Electrophilic reactions at single bonds. 20. Selective monohalogenation of methane over supported acidic or platinum metal catalysts and hydrolysis of methyl halides over .gamma.-alumina-supported metal oxide/hydroxide catalysts. A feasible path for the oxidative conversion of methane into methyl alcohol/dimethyl ether

    Journal of the American Chemical Society · 1985 · 10.1021/ja00310a057

  • Onium Ylide chemistry. 1. Bifunctional acid-base-catalyzed conversion of heterosubstituted methanes into ethylene and derived hydrocarbons. The onium ylide mechanism of the C1 .fwdarw. C2 conversion

    Journal of the American Chemical Society · 1984 · 10.1021/ja00319a039

Current projects

    No projects listed.