Search for dissertations about: "olefin"

Showing result 1 - 5 of 38 swedish dissertations containing the word olefin.

  2. 1. Synthesis of Novel Chiral Bicyclic Ligands and their Application in Iridium-Catalyzed Reactions

    Author : Anna Trifonova; Pher G. Andersson; Guy Lloyd-Jones; Uppsala universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Organic chemistry; asymmetric catalysis; Diels-Alder reaction; transfer hydrogenation; hydrogenation; amino-oxazoline; phosphine-oxazoline; imine; olefin; Organisk kemi; Organic chemistry; Organisk kemi;

    Abstract : The synthesis of 2-aza-norborane derivatives is presented. The use of these compounds in preparation of Ir catalysts for asymmetric hydrogenations is described. The evaluation and optimization of the catalysts as well as the mechanistic aspects of the catalytic process are discussed. READ MORE

  4. 2. π-complexes of terminal alkynes and alkenes with copper(I) : synthesis and structural characterization

    Author : Katarina Brantin; Chalmers tekniska högskola; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; olefin; alkene; crystal structure; alkyne; synthesis; acetyne; infrared; pi-complex; copper I ;

    Abstract : .... READ MORE

  5. 3. Hydrogenation, Transfer Hydrogenation and Hydrogen Transfer Reactions Catalyzed by Iridium Complexes

    Author : Xu Quan; Pher Andersson; Jonathan Williams; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Iridium catalyst; carbene; N; P - ligand; asymmetric hydrogenation; transfer hydrogenation; hydrogen transfer reaction; alkylation; olefin; ketone; amide; organisk kemi; Organic Chemistry;

    Abstract : The work described in this thesis is focused on the development of new bidentate iridium complexes and their applications in the asymmetric reduction of olefins, ketones and imines. Three new types of iridium complexes were synthesized, which included pyridine derived chiral N,P-iridium complexes, achiral NHC complexes and chiral NHC-phosphine complexes. READ MORE

  6. 4. Quantum Chemical Studies of Olefin Epoxidation and Benzyne Biradicals

    Author : Angelica Lundin; Göteborgs universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES;

    Abstract : .... READ MORE

  7. 5. Secondary Interactions in Symmetric Double Bond Formation Catalysed by Molecular Ruthenium Complexes

    Author : Oleksandr Kravchenko; Licheng Sun; Roger Alberto; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; homogeneous catalysis; transition metal catalysis; ruthenium catalyst; olefin metathesis; dynamic covalent chemistry; water oxidation; solar fuels; Ru-bda; secondary interactions; hydrophobic interactions; π-π stacking; homogen katalys; övergångsmetallkatalys; rutheniumkatalysator; olefinmetates; dynamisk kovalent kemi; vattenoxidation; solbränslen; Ru-bda; sekundära interaktioner; hydrofoba interaktioner; π-π stapling; Kemi; Chemistry;

    Abstract : Chemistry has a tremendous impact on everyone’s life, although society does not always realize its power and ubiquity. In recent years, improved economy and sustainability of chemical processes has become a worldwide priority. READ MORE