H Cyclic Amides COOH Reaction of-NH2 and-COOH on same molecule produces a cyclic amide,lactam. To name,add word lactam to the IUPAC acid name or replace the -ic acid of common name with -olactam. 4-aminopentanoic acid lactam -H y-valerolactam CH3 => Chapter 21 8Chapter 21 8 Cyclic Amides • Reaction of -NH2 and -COOH on same molecule produces a cyclic amide, lactam. • To name, add word lactam to the IUPAC acid name or replace the -ic acid of common name with -olactam. N O CH3 H 4-aminopentanoic acid lactam -valerolactam =>