@article{pittir22459, volume = {40}, number = {12}, month = {March}, author = {I Ryu and T Niguma and S Minakata and M Komatsu and Z Luo and DP Curran}, title = {Radical carbonylations with fluorous allyltin reagents}, journal = {Tetrahedron Letters}, pages = {2367 -- 2370}, year = {1999}, url = {http://d-scholarship-dev.library.pitt.edu/22459/}, abstract = {'Propylene-spaced' fluorous allyltin reagents 2a and 2b were tested as mediators of radical carbonylations and found to be useful for four-component coupling reactions comprising RX 3, CO, alkenes, and 2 leading to {\ensuremath{\beta}}- functionalized {\ensuremath{\beta}}-allylated ketones 5. The biphasic workup (acetonitrile/FC- 72) was successfully carried out to separate 5 from tin compounds. Competition experiments suggested a modest reactivity of 2a for the chain propagation involving S(H)2' step in comparison with conventional allyltributyltin.} }