Sec 1 Preparation of RX Free radical halogenation produces mixtures,not good lab synthesis ounless:all H's are equivalent,or ohalogenation is highly selective. Free radical allylic halogenation oproduces alkyl halide with double bond on the neighboring carbon. Sec 1 Preparation of RX ◼Free radical halogenation ⚫produces mixtures, not good lab synthesis ⚫unless: all H’s are equivalent, or ⚫halogenation is highly selective. ◼Free radical allylic halogenation ⚫produces alkyl halide with double bond on the neighboring carbon