Cyclic amides are known as Lactams Lactams are produced from amino acids,where the amino and the carboxylic acid groups react together to form an amide linkage. 0 heat OH N-H 4-aminobutanoic acid 4-aminobutanoic acid lactam They are named by adding the word lactam to the correct IUPAC name of the parent acid. Ch21 Carboxylic acid Derivatives(landscape) Page 6 Ch21 Carboxylic acid Derivatives(landscape) Page 6 Cyclic amides are known as Lactams. Lactams are produced from amino acids, where the amino and the carboxylic acid groups react together to form an amide linkage. 4-aminobutanoic acid 4-aminobutanoic acid lactam They are named by adding the word lactam to the correct IUPAC name of the parent acid. H2N C OH O N C O H +H2O heat