Radical reactions using selenium precursors

Organoselenium compounds are very versatile radical precursors which are wi dely used. Due to their stability and ease of preparation, they offer uniqu e advantages over organic halides as radical precursors. They can be utiliz ed in tin mediated radical reactions as well as in group transfer reactions for the formation of carbon-carbon bonds and carbon-heteroatom bonds. Sele nols and diselenides have found applications as reducing agents and radical traps, respectively. A survey of these different reaction types will be gi ven. Information about new reactions based on electron and photoelectron tr ansfers will also be provided.