ORGANIC CHEMISTRY Chapter 12 12. 4DA Mechanism of chromate Oxidations Step R O-H +HO→Cr-0 R HO OH O R H Hro-h H R、x0 O—Cr=0 HO COH2 OH R H R H Chromate ester Step 2 R Cr=o R O OH C-O+Cr-o+H-o-H R H R OH H Department of Chemistry, Xiamen UniversityORGANIC CHEMISTRY Department of Chemistry, Xiamen University Chapter 12 12.4D A Mechanism of Chromate Oxidations C O R' R H H HO Cr O O O + H O H H C O R' R H H HO Cr O O OH C O R' R H HO Cr O O OH2 C O R' R H OH Cr O O Chromate ester C O R' R H OH Cr O O H O H C O R' R + OH Cr O O H O H H + Step 1 Step 1 Step 2 Step 2