Aromatic Acids COOH COOH COOH COOH COOH HN OH H.C benzoic acid p-aminobenzoic acid o-hydroxybenzoic acid p-methylbenzoie aeid a-naphthoie acid (salicylic acid) (p-toluic acid) Copyright 2010 Pearson Prentice Hall,Inc. Aromatic acids are named as derivatives of benzoic acid. ■ Ortho-,meta-and para-prefixes are used to specify the location of a second substituent. Numbers are used to specify locations when more than 2 substituents are present. Chapter 20 6 Chapter 20 6 Aromatic Acids ▪ Aromatic acids are named as derivatives of benzoic acid. ▪ Ortho-, meta- and para- prefixes are used to specify the location of a second substituent. ▪ Numbers are used to specify locations when more than 2 substituents are present