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- W1824699 abstract "The research presented herein is concerned with the exploration of the rhodium catalysed addition of organoboron reagents. Chapter 1 firstly introduces the area of organoboron reagents, focussing on the applications of potassium alkenyl trifluoroborate reagents. Secondly, an extensive discussion of the rhodium catalysed conjugate addition of organboron reagents demonstrates its utility as a key coupling step in recent syntheses. Chapter 2 describes synthetic methods towards alkenylboron reagents and describes the synthesis of functionalised and enantiopure alkenyl trifluoroborate salts. Chapter 3 discusses the rhodium catalysed addition of potassium alkenyl trifluoroborate salts to α,β-unsaturated compounds. A gas chromatography study addresses issues concerning protodeboronation and highlights the potential for olefin transposition. A new rhodium catalysed olefin transposition reaction has been thoroughly investigated and applied using the synthesised potassium alkenyl trifluoroborate salts. Chapter 4 describes the synthesis of biologically relevant, enantiopure dihydropyranones for use as acceptors in the rhodium catalysed conjugate addition reaction. The hetero-Diels-Alder reaction is employed to synthesise the dihydropyranones. Rhodium catalysed conjugate addition of arylboronic acids and potassium alkenyl trifluoroborates is utilised to concisely assemble late stage intermediates of natural products including diospongin B. Chapter 5 describes the synthesis and characterisation of the compounds discussed in chapters 2, 3 and 4." @default.
- W1824699 created "2016-06-24" @default.
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- W1824699 date "2011-09-01" @default.
- W1824699 modified "2023-09-24" @default.
- W1824699 title "Organoboron reagents and recent strategies in rhodium catalysed additions" @default.
- W1824699 hasPublicationYear "2011" @default.
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