SEARCH Articles Figures Tables 1 : 4-Butanediol 1,4-butanediole 2,3-butanediols pinacol rearrangement 2,3-butanediols pinacol rearrangement Butanediols Pinacol Pinacol rearrangement Pinacolate Pinacolation Pinacolizations Pinacols Pinacols rearrangement