SEARCH Articles Figures Tables Biotin Synthesis Sulfur Preempts a Beckmann Rearrangement Carbanions, -sigmatropic rearrangements sulfur-stabilized Rearrangement reactions sulfur trifluoride Rearrangement sulfur nucleophiles Rearrangement sulfur ylids Sigmatropic rearrangements of sulfur ylide Sommelet-Hauser Rearrangement and Sulfur-Mediated Ring Expansion Sulfur ylides 2.3]-sigmatropic rearrangement Sulfur ylides. rearrangement Sulfur-amino rearrangement Sulfur-based rearrangements Sulfur-based rearrangements extrusion Sulfuric acid, with alcohols rearrangements