Tributyltin fluorous

The fluorous tin hydrides show a reactivity similar to that of tributyltin hydride,405 406 and the residues can be extracted into a fluorinated solvent. 

Carbonylation of fluorous compounds was also tested with the use of conventional tributyltin reagents. In this case the fluorous product is isolated from the fluorous media and conventional tin compounds are isolated from organic media. Unfortunately, the carbonylation of perfluoroalkyl radicals was unsuccessful, probably because of the very rapid reaction of these electrophilic radicals with allyltributyltin [56]. However, 2-(perfluoroalkyl)ethyl radical can be used for this radical carbonylation. In this case, FRPS separation again works well for the preparation of the product from tin compounds. 

---