The free radical chain addition of iodoperfluoroalkanes to vinyl esters is one of the more interesting azonitrile-initiated reactions recently discovered.'There appears to be no previous record of success in this particular reaction although extensive reviews of related free radical chemistry have appeared. 233 Addition of bromotrichloromethane to vinyl aGetate initiated by acetyl peroxide gaye l-bromo-3, 3, 3-trichloropropyl acetate in 90% ...