Naming Carboxylic Acid Derivatives Amides,RCONH2 Amides with unsubstituted-NH2 group named by replacing the-oic acid or-ic acid ending with-amide,or by replacing the-carboxylic acid ending with -carboxamide 0 0 NH2 H3C NH2 CH3CH2CH2CH2CH2 NH2 Acetamide Hexanamide Cyclopentane- carboxamideAmides, RCONH2 ▪ Amides with unsubstituted –NH2 group named by replacing the –oic acid or –ic acid ending with –amide, or by replacing the –carboxylic acid ending with -carboxamide Naming Carboxylic Acid Derivatives