SEARCH Articles Figures Tables Alkyl sulfonic acid esters of phenol Chemical Synthesis of Sulfonic Acid Derivatives Degradation of perfluorinated sulfonic acid membrane Derivatives of Sulfonic Acids Enzymatic Synthesis of Sulfonic Acid Derivatives Esterification of sulfonic acids Esters of Sulfonic Acids Formation of Sulfonic Acid Esters Hydrolysis of a sulfonic acid Hydrolysis of sulfonic acid derivatives Identification of sulfonic acid Immobilization of Sulfonic Acids via Grafting and Coating Inner Salts of Sulfonic Acids (Alkali Blue Types) Inner salts of sulfonic acids Inner salts of sulfonic acids (Alkali Blue Phenylbiguanide-p-sulfonic Acid Complexes of Copper(II) Preparation of Sulfonic Acids Properties of Sulfonic Acid Derivatives Protection of sulfonic acids Replacement of sulfonic acid groups Sulfonation by sulfuric acid and oleum in the presence of catalysts Sulfonation of benzenesulfonic acid Sulfonation, of palmitic acid Sulfones acidity of Sulfones acidity of Sulfonic Acid Functionalization of Ordered Mesoporous Materials and Periodic Organosilicas Sulfonic acid derivatives of naphthalene Typical Procedures for 25a and Benzoic Acid Catalyzed Aza MBH Reaction of N Sulfonated Imine with MVK