Abstract Addition of fluoroalkyl iodides to olefins in the presence of tris (triphenylphosphine) chlororhodium (I) in benzene or acetonitrile gives the corresponding 1: 1 adducts in good yields. The reaction can be suppressed with p-dinitrobenzene (p-DNB) or di-t-butylnitroxide, and tetrahydrofuran derivatives are obtained from the reaction of fluoroalkyl iodides with diallyl ether. A radical chain-reaction mechanism induced by single electron transfer (SET) ...