Now showing items 1-4 of 4
Photochemistry of (+)-catechin and (-)-epicatechin
(University of the Free State, 2008-01)
Despite the well known fact that photolysis of free phenolic catechins give rise to isomerisation at the C-2 position (e.g. (-)-cis epicatechin converts to the sterically less hindered (-)-trans isomer), researchers have ...
Development of new "green" methodology for the synthesis of substituted phenylacetic acid derivatives as precursors to isoflavonoids and related compounds
(University of the Free State, 2013-01)
English: Flavonoids and isoflavonoids are known to exhibit many important physiological properties and are especially promising candidates for cancer chemoprevention. Similar to most natural products, studies directed at ...
Structure and synthesis of polyphenols from cyclopia subternata
(University of the Free State, 2002-06)
English: Cyclopia subternata (Fabaceae), from which Honeybush tea is brewed, is one of approximately 24 Cyclopia species of woody legumes endemic to the Cape fynbos (Cape macchia) region of South Africa. Supported by results ...
Die eerste oligomeriese neoflavonoiede: struktuur en sintese van modelverbindings
(University of the Free State, 1993-05)
Afrikaans: Hoewel oligomeriese flavonoïede reeds etlike dekades bekend is, is die eerste bi-isoflavonoïede eers onlangs uit Dalbergia spesies geïsoleer en is oligomere saamgestel uit neoflavonoïede nog onbekend. Ten einde ...