Cyclic Amides H.N-CH,CH,-CH,-c-OH H heat H,0 HH IUPAC name: 4-aminobutanoie acid 4-aminobutanoic acid lactam common name: y-aminobutyric acid y-butyrolactam CH CH IUPAC name: 3-aminopropanoic acid lactam 6-aminohexanoic acid lactam 4-amino-2-methylpentanoie acid lactam common name: B-propiolactam e-caprolactam a-methyl-y-valerolactam Copyright2010 Pearson Prentice Hall,Inc. Cyclic amides are called lactams. To name,add the word lactam to the lUPAC acid name or replace the -ic acid of common name with -olactam. Chapter 21 10 Chapter 21 10 Cyclic Amides ▪ Cyclic amides are called lactams. ▪ To name, add the word lactam to the IUPAC acid name or replace the -ic acid of common name with -olactam