Browsing School of Chemistry and Physics by Subject "Theses -- Chemistry."
Now showing items 1-20 of 31
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Antidiabetic compounds from Hypoxis colchicifolia and Terminalia sericea.
In this project two medicinal plant species, namely Hypoxis colchicifolia Bak (Hypoxidaceae) and Terminalia sericea Burch. (Combretaceae), have been investigated and different compounds isolated and characterised. The aim ... -
The application of organically modified heterogeneous catalysts in continious flow hydrogenation reactions.
(2013)No abstract available. -
Bis (pyrazolyl) pyridine Cu (II) and Zn (II)complexes : syntheses, molecular structures and polymerization reactions of ε-Caprolactone and lactides.
(2015)Reactions of 2,6-bis((3,5-dimethyl-1H-pyrazol-1-ylmethyl)pyridine (L1) and 2,6-bis(3,5-dimethyl-N-pyrazolyl)pyridine (L2) ligands with Zn(II) and Cu(II), acetates and carboxylates (benzoates, 2-chlorobenzoate, & 2-bromobenzoate) ... -
The chemotherapeutic potential of bidentate pyrrolide-imine gold (III) chelates.
(2014)Abstract available in PDF file. -
The determination of activity coefficients at infinite dilution using gas-liquid chromatography.
(1996)Abstract available in PDF file. -
The discovery and characterization of antiprotozoal compounds from South African medicinal plants by a HPLC-based activity profiling technique.
(2013)A total of 507 plant extracts from 174 South African plant species, selected based on their traditional uses against parasitic diseases, mainly against malaria were screened against Plasmodium falciprum, Trypanosoma ... -
Extractive from seven African medicinal plants.
(2003)This PhD thesis describes a phytochemical investigation of seven medicinal plants, namely, Ledebouria ovatifolia (Hyacinthaceae), Eucomis pole-evansii (Hyacinthaceae ), Lachenalia rub ida (Hyacinthaceae), Drimia ... -
A green, solvent-free one-pot synthesis of disubstituted quinolines via A3-coupling using 1 mol% FeCl3.
(2016)Quinoline derivatives are important compounds due to their broad range of applications in medicinal, synthetic and industrial chemistry. However, current synthetic techniques such as the classical Skraup, Döebner-Miller, ... -
Imidazolium, phosphonium and pyridinium ionic liquids with flourinated anions : synthesis characterization and applications.
(2013)Four sets of ionic compounds were synthesized, each with an organic spacer between two ligands creating a dication with the bromide as the counter anion. In each of the sets of ionic compounds, the counter anion was ... -
An investigation into the influence of substituents and extended π-conjugation on the substitution reactions of bifunctional platinum (II) complexes.
(2015)Abstract available in PDF file. -
Nitrogen-donor late transition metal complexes as ethylene oligomerization catalysts.
Abstract available in PDF file. -
Palladium complexes of (Benzoimidazol-2-ylmethyl) amine ligands : synthesis and applications as catalysts in methoxycarbonylation of olefins.
(2014)Compounds N-(1H-benzoimidazol-2-ylmethyl)-2-aniline(L1), N-(1H-benzoimidazol- 2-ylmethyl)-2-methoxyaniline (L2), N-(1H-benzoimidazol-2-ylmethyl)-2-thioaniline (L3) and N-(1H-benzoimidazol-2-ylmethyl)-2-bromoaniline (L4) ... -
The photochemistry and photostabilization potential of plant extracts on sunscreen absorbers.
(2014)Abstract available in PDF file. -
Phytochemical, elemental and biotechnological study of cryptocarya latifolia, an indigenous medicinal plant of South Africa.
(2013)Cryptocarya latifolia (Lauraceae) is an indigenous South African plant used in ethnomedicinal practices. Traditional healers in KwaZulu-Natal, South Africa are extensively using the bark of C. latifolia as a substitute for ... -
Phytochemistry and bioactive natural products from Lannea alata, Lannea rivae, Lannea schimperi and Lannea schweinfurthii (anacardiaceae)
(2014)Abstract available in PDF file. -
Progress towards the pyrrolizidine alkaloid xenovenine (223H) via hydroamination.
(2016)Many natural products, pharmaceuticals and fine chemicals possess carbon-nitrogen bonds and thus the formation of such bonds is of great importance. Pyrrolizidine, indolizidine, quinolizidine and lehmizidine alkaloid ...