The use of sulfoxide ligands for transition metal catalyzed transformations has recently been brought to the forefront in organic chemistry. The synthesis of a series of tri- and disulfoxides will be presented, and their applications investigated. Their use in rhodium catalyzed 1,4-additions of phenylboronic acid to 2-cyclohexen-1-one result in enantioselectivities up to 80%.
The incorporation of β-amino acid residues into polypeptides has resulted in new foldamers whose structures and enhanced stability provide interesting opportunities for new biological applications. A novel strategy for an iterative peptide synthesis involving β-amino acids will be proposed. Lastly, a hydroamidation-type strategy for the construction of β3-amino acids, or more specifically of β-(N-acylamino)acrylates, will be presented as preliminary work towards the goal of dipeptide synthesis.
| Identifer | oai:union.ndltd.org:LACETR/oai:collectionscanada.gc.ca:OTU.1807/27351 |
| Date | 31 May 2011 |
| Creators | Leung, Priscilla |
| Contributors | Dong, Vy Maria |
| Source Sets | Library and Archives Canada ETDs Repository / Centre d'archives des thèses électroniques de Bibliothèque et Archives Canada |
| Language | en_ca |
| Detected Language | English |
| Type | Thesis |
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