Brankin, Gail Taylor2016-08-182016-08-182016-08-18http://hdl.handle.net/10539/20907A Dissertation submitted to the Faculty of Science, University of the Witwatersrand, Johannesburg, in fulfilment of the requirements for the Degreeof Master of Science Department of Chemistry Johannesburg May 1993[Open document to view full version]enPhosphorus and sulphur-mediated approaches to the synthesis of nitrogen and nitrogen-phosphorus heterocyclesThesis