Oxidation by Bromine Bromine water oxidizes aldehyde,but not ketone or alcohol;forms aldonic acid. Example CHO COOH aldehyde acid H OH H OH H OH HO -H HO- -H (CHOH)O (CHOH) Br、 H OH H20 H OH CHOH CH,OH aldose aldonic acid OH H- OH (glyconic acid) CH,OH CH,OH glucose gluconic acid => Chapter 23 16
Chapter 23 16 Oxidation by Bromine Bromine water oxidizes aldehyde, but not ketone or alcohol; forms aldonic acid. =>
Oxidation by Nitric Acid Nitric acid oxidizes the aldehyde and the terminal alcohol;forms aldaric acid. Example CHO COOH H -OH H OH aldehyde CHO acid COOH HNO3 HO -H HNO3 HO H (CHOH) (CHOH) H OH H OH alcohol CH,OH acid COOH H OH H OH aldose aldaric acid (glycaric acid) CH,OH COOH glucose glucaric acid Chapter 23 17=>
Chapter 23 17 Oxidation by Nitric Acid Nitric acid oxidizes the aldehyde and the terminal alcohol; forms aldaric acid. =>