Oxidation Mechanism Formation of the chromate ester R一CO一H H-O-Cr-OH R OH H 0 alcohol chromic acid chromate ester Elimination of the chromate ester and oxidation of the carbinol carbon R R R OH R-C ' H2O:H .0. H.O 0 Cr(VI) Cr(IV) Copyright2010 Pearson Prentice Hall,Inc. Chapter 11 7Chapter 11 7 Oxidation Mechanism