Search for dissertations about: "phosphine"

Showing result 1 - 5 of 42 swedish dissertations containing the word phosphine.

  1. 1. Synthesis and Applications of P-chirogenic Phosphine Boranes

    Author : Magnus Johansson; [2006]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; cytisine; gold I catalysis lipase; P-chirogenic; desymmetrization; phosphine; enantioselective cyclopropanation. enantioselective deprotonation; chirality; asymmetric synthesis; borane;

    Abstract : AbstractThis thesis reports the independent synthesis of both enantiomers of P-chirogenic phosphine ligands and the building blocks thereof, which are suitable for parallel synthesis efforts and for the generation of more diverse libraries of P-chirogenic compound. The use of P-chirogenic phosphine boranes in transition metal-catalyzed reactions, such as palladium-catalyzed allylic alkylation and amination, is also described. READ MORE

  2. 2. Coordination of Phosphine-Thioether Ligands to Low-valent Metal Centers

    Author : Roger Persson; Lunds universitet.; Lund University.; [2009]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; polynuclear metal complexes; fluxional behavior; cluster; thioether; phosphine; crystal structure; sulfur; triosmium;

    Abstract : The reactivity of the phosphine-thioether ligands bis(2-diphenylphosphino) ethylthio)ethane (PSSP), bis(2-(diphenylphosphino) ethyl)sulfane (PSP), PPh2CH2CH2SMe (PS), PPh2(o-C6H4SMe (PortoS), and PPh(o-C6H4SMe)2 (PSS) towards low-valent carbonyl clusters has been studied. In all structurally characterized clusters, the ligand donor atoms are terminally coordinated. READ MORE

  3. 3. Metallacyclic Phosphine Complexes and Intramolecular Csp3-H Bond Activation -Synthesis, Characterisation and Catalytic Application

    University dissertation from Sven Sjövall, Inorganic Chemistry, Chemical Center, Lund University

    Author : Sven Sjövall; Lunds universitet.; Lund University.; [2001]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; catalysis; Heck; diphosphite; diphosphine; phosphine; cyclometallation; C-C activation; C-O activation; C-H activation; palladium; rhodium; iridium; Inorganic chemistry; Oorganisk kemi;

    Abstract : Popular Abstract in Swedish Katalytisk omvandling av enkla kolväten till mer användbara substanser m.h.a. homogena/lösliga komplex av övergångsmetaller är ett mycket viktigt ämnesområde inom metallorganisk kemi. READ MORE

  4. 4. Synthesis and Applications of P-Chirogenic and Axially Chiral P,N-Phosphines as Ligands and Organocatalyst

    University dissertation from Sven Sjövall, Inorganic Chemistry, Chemical Center, Lund University

    Author : Kristian Andersson; [2011]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; phosphoramidite; organocatalysis; aminophosphine; Nicholas reaction; asymmetric synthesis; phosphine; asymmetric hydrogenation; modular synthesis; P-chirogenic;

    Abstract : This thesis deals with the enantioselective synthesis of chiral mixed phosphorous/nitrogen compounds and some of their applications in asymmetric synthesis. For the most part, the compounds are P-chirogenic, with the chirality centered on the phosphorous atom. The last part of the thesis deals with axially chiral phosphoramidites. READ MORE

  5. 5. BIOACTIVE ORGANOMETALLIC COMPOUNDS

    University dissertation from Haris Bjelosevic, Organic Chemistry, Lund University

    Author : Haris Bjelosevic; Lunds universitet.; Lund University.; [2008]
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; biological; kinetic; gold; platinum; bioactive; phosphine; ruthenocene; Ferrocene;

    Abstract : Popular Abstract in Swedish Intresset för metallbaserade läkemedel har växt stadigt de senaste årtionden. Kemins utveckling ger oss hela tiden mer förståelse och bättre verktyg för studier av olika metallkomplex och deras biologiska verkning. READ MORE