Numerous reports have appeared in the literature on the peroxide-catalyzed addition of fluorohalomethanes to 01efins~-~ but very little information has been published on the addition to olefins of halogenated compounds containing more than one carbon atom. Feasley and Stover7 carried out reactions of 1, 1, 2-trichloro-l12, 2-trifluoroethane with various straight-chain primary olefins; however, they apparently did not isolate any ...