Alcohols and Phenols- ROH, ArOH

1. By the IUPAC system, the suffix -ol for OH is added to the name of the parent hydrocarbon. Notice that alkane + -ol becomes alkanol, with the e omitted:

2. The substituent name for the OH group is hydroxy and should be used whenever the OH group is not the parent function (see Table 7-1). Notice how the precedence rules apply - hydroxy below carboxylic acid and hydroxy below ketone:

3. Many trivial names persist, particularly for aromatic, or arene alcohols (phenols):