Chapter 30, Problem 30.22P

Interpretation Introduction

Interpretation: The structure of lanolin (the wax that coats sheep’s wool, derived from cholesterol and stearic acid), including the correct stereochemistry at all stereogenic centers is to be drawn.

Concept introduction: Waxes are lipids, which are hydrolysable. They contain ester $({\text{RCOOR}}^{\text{'}})$ as the functional group, and obtained from alcohol $({\text{R}}^{\text{'}}\text{OH})$ and a fatty acids $(\text{RCOOH})$ of high molecular weight.