Sökning: "polymer-bound ligands"

Hittade 3 avhandlingar innehållade orden polymer-bound ligands.

1. 1. Asymmetric Catalysis : Ligand Design and Conformational Studies

   Författare :Kristina Hallman; KTH; []
   Nyckelord :asymmetric catalysis; chiral ligand; oxazolines; conformational study; allylic substitution; polymer-bound ligands; dendritic ligands; crown ether; oxidations; palladacycle;

   Sammanfattning : This thesis deals with the design of ligands for efficientasymmetric catalysis and studies of the conformation of theligands in the catalytically active complexes. All ligandsdeveloped contain chiral oxazoline heterocycles. LÄS MER

3. 2. Polymer Bound Water-Soluble Metal Phosphine Complexes-Preparation, Characterisation and Catalytic Application

   Författare :Torsten Malmström; Kemiska institutionen; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; enantioselective; SAP; hydrogenation; hydroformylation; catalysis; biphasic; rhodium; poly-ethylene imine; poly-acrylic acid; polymers; water-soluble; phosphines; Inorganic chemistry; Oorganisk kemi;

   Sammanfattning : Four new water-soluble phosphines have been prepared by utilising water-soluble polymers as charge carrying units. Coupling of methyl-4-(diphenylphosphino)-benzyl-amine or 4-diphenylphosphino benzaldehyde to poly-acrylic acid and poly-ethylene imine, respectively, afford the ligands PAA-PNH and PEI-PNH. LÄS MER

4. 3. Synthesis and study of new oxazoline-based ligands

   Författare :Mélanie Tilliet; Christina Moberg; Vincent Levacher; Jan H. van Maarseveen; KTH; []
   Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; organic chemistry; Organic chemistry; Organisk kemi;

   Sammanfattning : This thesis deals with the study of oxazoline-based ligands in metal-catalyzed asymmetric reactions. The first part describes the synthesis of six new bifunctinal pyridine-bis(oxazoline) ligands and their applications in asymmetric metal-catalysis. LÄS MER