This chapter contains sections titled: Introduction Dehydrogenative Oxidation Oxidation of Alcohols Oxidative Amination of Alcohols Oxidation of Secondary and Primary Amines Oxidation with RuO4 Oxidation with Ruthenium Complex Catalysts and Oxidants Oxidation of Alcohols Oxidation of Alkenes Oxidation of Amines Oxidation of Amides and β-Lactams Oxidation of Phenols Oxidation of Hydrocarbons Conclusions