α-haloalkanesulfonyl bromides in organic synthesis. 4. Regioselective γ-deprotonation of α,β-unsaturated sulfones. A simple synthesis of 2-alkyl-1,3-butadienes.
α-haloalkanesulfonyl bromides in organic synthesis. 4. Regioselective γ-deprotonation of α,β-unsaturated sulfones. A simple synthesis of 2-alkyl-1,3-butadienes.