SEARCH Articles Figures Tables 3-Keto esters Esters coupling Esters pinacol Intermolecular Keto Ester Couplings Intermolecular coupling Intermolecular ester reaction Intermolecular pinacol coupling reactions Intermolecular reactions coupling P Couplings P Keto esters Pinacol Pinacol coupling reaction Pinacol couplings intermolecular Pinacol intermolecular reaction Pinacol reaction Pinacolate Pinacolation Pinacolic coupling reactions Pinacolizations Pinacols Pinacols coupling