László Orha

PhD student, MSc



H-1117, Budapest, Pázmány P. sétány 1/A, V. 532.



Curriculum vitae

Place and date of birth
  • Baja (Hungary), 20th June1984.
Educations Languages
  • Hungarian (native)
  • English
  • German
Scientific interests
  • Synthesis of water soluble phosphanes
  • Green chemistry
  • Chamistry based on biomass

Scientific activity

  • 2004-2007. Thesis of diploma, ELTE Department of Organic Chemistry, supervisor: Istvan T. Horvath
  • 2007- Ph.D. School of Chemistry, supervisor: Istvan T. Horvath, Jozsef Rabai
  • Laszlo. T. Mika, Laszlo Orha, Norbert Farkas, Istvan T. Horvath, "Efficient Synthesis of Water-Soluble Alkyl-bis(m-sulfonated-phenyl)- and Dialkyl-(m-sulfonated-phenyl)-phosphines and Their Evaluation in Rhodium-Catalyzed Hydrogenation of Maleic Acid in Water", Organometallics, 2009, 28 (5), pp 1593–1596
  • Daniel Fegyverneki, Laszlo Orha, Istvan T. Horvath, "Gamma-valerolactone based solvents", Tetrahedron, under review



    Chemical presentation days, Szeged (Hungary), presentation:

    Synthesis of water-soluble phosphines

    Laszlo Orha, Istvan T. Horvath

    2007: Centenary Conference of Chemisty, Sopron (Hungary), poster:
    Synthesis of water soluble phosphanes
    Laszlo Orha, Hasan Mehdi, Istvan T. Horvath
    2008: 16th International Symposium on Homogeneous Catalysis, Firenze (Italy), poster
    Controlled synthesis and application of water soluble alkydiaryl- and dialkylarylphosphanes
    Laszlo Orha
    , Laszlo T. Mika, Hasan Mehdi, Norbert Farkas, Istvan T. Horvath

Useful links

last modified: Jan 10. 00:10:00 CET 2008.