Now showing items 1-3 of 3
Ruthenium based homogeneous olefin metathesis
(University of the Free State, 2005-11)
English: The aim of this study was to investigate the decomposition of the methylidenes 4a [Ru(Cl)2(PCy3)2CH2] and 6 [Ru(Cl)2(PCy3)(NHC)CH2] and alkylidene 5 [Ru(Cl)2(PCy3)2CHR], formed in the homogeneous olefin metathesis ...
Polyphenols from pericopsis elata and synthesis of selected stilbenes
(University of the Free State, 2005-05)
English: The bark of Pericopsis elata (Afrormosia elata) is used by the local population of the Democratic Republic of Congo for the treatment of cancer and for external applications because of its weather resistance. ...
Rhoduim phosphine catalysed hydroformylation
(University of the Free State, 2005-12)
English: The aim of this study was to investigate hydroformylation reactions using phosphine modified rhodium catalyst systems. Comparisons between the traditional monodentate PPh3 ligand and the bidentate xantphos ligand ...