Preparing Aldehydes and Ketones Preparing Ketones Secondary alcohols are oxidized by variety of chromium-based reagents to give ketones OH CrO3 H3C CH2Cl2 H3C、 H3C H3C CH3 CH3 4-tert-Butylcyclohexanol 4-tert-Butylcyclohexanone(90%) Aryl ketones from Friedel-Crafts acylation reactions AICl3 CH3 Heat Benzene Acetyl Acetophenone(95%) chloridePreparing Ketones Secondary alcohols are oxidized by variety of chromium-based reagents to give ketones Aryl ketones from Friedel-Crafts acylation reactions Preparing Aldehydes and Ketones