Search for dissertations about: "strukturkemi"

Showing result 1 - 5 of 137 swedish dissertations containing the word strukturkemi.

  1. 1. Synthesis and Structure of Novel G-Protein Coupled Receptor Ligands

    Author : Magnus Brisander; Tommy Liljefors; Stockholms universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; strukturkemi; Structural Chemistry;

    Abstract : A method based on h6-arenetricarbonylchromium chemistry has been developed for the synthesis of enantiopure 4-alkylated 3-(dipropylamino)chromans. The stereochemistry of these new serotonergic ligands was determined by a combination of X-ray crystallography, NMR spectroscopy and chemical correlation. READ MORE

  2. 2. High pressure structural investigations using single crystal techniques : influence of pressure on Jahn-Teller distorted alkali manganese fluorides

    Author : Stefan Carlson; Stefan Werner; Stockholms universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; Chemistry; Kemi; strukturkemi; Structural Chemistry;

    Abstract : The results from high-pressure single-crystal X-ray diffraction studies of some ternary sodium transition metal fluorides are presented. The structures of NaMnF4, Na2MnF5, Na3MnF6 and Na3ScF6 have been investigated at high pressures, and in connection with these studies the Na5Mn3F14 structure has been investigated at ambient pressure. READ MORE

  3. 3. Molecular recognition in the solid state : crystal structure studies of selected inclusion compounds of host molecules with roof-shaped skeleton

    Author : Olga Helmle; Janusz Lipkowski; Stockholms universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; Chemistry; Kemi; strukturkemi; Structural Chemistry;

    Abstract : This survey presents the results of single-crystal X-ray diffraction investigations of nine selected organic heteromolecular complexes in terms of the molecular recognition concept. The host molecules of the studied inclusion compounds have the 9,10-dihydro-9,10-ethanoanthracene moiety in common, to which various sensor groups possessing both proton donor and acceptor abilities are attached. READ MORE

  4. 4. EM study of Mesoporous Crystals, Hollow Spheres and Intergrowth Tungsten Bronzes

    Author : Miia Klingstedt; Osamu Terasaki; Margareta Sundberg; Cheuk-Wai Tai; Viveka Alfredsson; Stockholms universitet; []
    Keywords : Structural Chemistry; strukturkemi;

    Abstract : .... READ MORE

  5. 5. Refined crystal structures of Zn(II)- and Cu(II)-alcohol dehydrogenase : a comparative study

    Author : Salam al-Karadaghi; Stockholms universitet; []
    Keywords : NATURAL SCIENCES; NATURVETENSKAP; strukturkemi; Structural Chemistry;

    Abstract : The crystal structure of the ternary complex of horse liver alcohol dehydrogenase (LADH) with the coenzyme NADH and inhibitor dimethyl sulphoxide (DMSO) (space group PI) has been refined by simulated annealing with molecular dynamics and restrained positional refinement using the program system XPLOR. The resulting crystallographic R- factor is 17. READ MORE