Carboxylic Acid Derivatives Carboxylic acid derivatives Compounds in which acyl group is bonded to an electronegative atom or substituent that can act as a leaving group Converted to parent carboxylic acid by hydrolysis reaction Carboxylic acid Acid halide Acid anhydride Ester (X=CI,Br) 0 R NH2 R -s8 0 (or OR') Amide Thioester Acyl phosphateCarboxylic acid derivatives ▪ Compounds in which acyl group is bonded to an electronegative atom or substituent that can act as a leaving group ▪ Converted to parent carboxylic acid by hydrolysis reaction Carboxylic Acid Derivatives