Tributyl(vinyl)stannane is primarily used in organic synthesis as a key reagent for vinylation reactions. It facilitates the introduction of vinyl groups into organic molecules, making it valuable in the production of polymers, pharmaceuticals, and fine chemicals. In polymer chemistry, it is employed to create vinyl-functionalized polymers, which are essential for materials with specific properties like flexibility or reactivity. Additionally, it plays a role in cross-coupling reactions, such as the Stille coupling, to form carbon-carbon bonds in complex organic compounds. Its application in medicinal chemistry includes the synthesis of vinyl-containing drug intermediates, contributing to the development of therapeutic agents.