SEARCH Articles Figures Tables Allyl rearrangement Allylic rearrangement Allylic ylides, rearrangement Allylic ylides, sigmatropic rearrangement Sigmatropic -rearrangements rearrangement Sulfonium Sulfonium rearrangement Sulfonium ylide Sulfonium ylides Sulfonium ylides, sigmatropic rearrangement Ylide rearrangement Ylides rearrangement Ylides sigmatropic rearrangement