Polyfluoroalkyl-alpha,beta-enones readily add Br-2 to give alpha,beta-dibromoketones. The latter are readily and regioselectively dehydrobrominated to alpha-bromo-alpha,beta-enones on treatment with K2CO3 or NEt(3).
Polyfluoroalkyl-alpha,beta-enones readily add Br-2 to give alpha,beta-dibromoketones. The latter are readily and regioselectively dehydrobrominated to alpha-bromo-alpha,beta-enones on treatment with K2CO3 or NEt(3).