.alpha.-Haloalkanesulfonyl bromides in organic synthesis. 5. Versatile reagents for the synthesis of conjugated polyenes, enones, and 1,3-oxathiole 1,1-dioxides
α-haloalkanesulfonyl bromides in organic synthesis. 4. Regioselective γ-deprotonation of α,β-unsaturated sulfones. A simple synthesis of 2-alkyl-1,3-butadienes.
.alpha.-Haloalkanesulfonyl bromides in organic synthesis. 5. Versatile reagents for the synthesis of conjugated polyenes, enones, and 1,3-oxathiole 1,1-dioxides