IUPAC Names C-OH ‖2 CHCCH-C-OH H-C-OH CHC一OH CH,-CH-C-OH CH,CH.CH; IUPAC name: methanoic acid ethanoie acid 2-cyelohexylpropanoic acid 3-oxo-2-propylbutanoic acid common name: formic acid acetic acid a-cyclohexylpropionic acid a-acetylvaleric acid NH, 0 Ph 0 CH CH,一CH,一CH,一C-OH CH,一CH,一CH-CH,一C-OH CH,-CH-CH,一C-OH IUPAC name:4-aminobutanoic acid 3-phenylpentanoic acid 3-methylbutanoie acid common name:y-aminobutyric acid B-phenylvaleric acid isovaleric acid Copyright2010 Pearson Prentice Hall,Inc. Remove the final -e from alkane name,add the ending -oic acid. The carbon of the carboxyl group is #1. Chapter 20 Chapter 20 4 IUPAC Names ▪ Remove the final -e from alkane name, add the ending -oic acid. ▪ The carbon of the carboxyl group is #1