CH2= CHR+ CC13Br+ CClaCHzCHBrR The high yields of one-to-one addition products obtained from bromotrichloromethane and olefins seemed to warrant an investigation of the reaction of the bromide with haloolefins as a general means of preparing substances containing the trichloromethyl group which might be converted to various fluorine compounds. Since the preparation of fluorobutanes was desired, this study was limited to ...