Chapter 12.4, Problem 12.5Q

Interpretation Introduction

Interpretation:

An alcohol reactant involved in Practice Problem 12.6 as primary, secondary, or tertiary alcohol has to be classified and common name and IUPAC name for reactant and product has to be given.

Concept Introduction:

A common nomenclature of organic compounds has been developed by IUPAC.  By usage of this nomenclature or rules, memorizing of names of organic compounds is not necessary.

IUPAC rules for naming alcohols:

• Alcohols are named by identifying the parent compound and replacing the –e ending with –ol.
• Lowest possible number should be given for the hydroxyl group present in the parent chain.
• Name and number all substituent, and put them as prefixes to “alkanol” name also give the first preference as per the alphabetical order.
• If an alcohol contains two hydroxyl groups then name it as diol, an alcohol; contains three hydroxyl groups then name it as triol.
• Common names for alcohols are derived from alkyl group corresponding to the parent compound.