Chapter 23, Problem 3LGP

Interpretation Introduction

Interpretation:

On the basis of given information, the structures of the required terpene and its isoprene unit are to be elucidated.

Concept introduction:

Terpenes are largely found as constituents of essential oils. They are mostly hydrocarbons.

The building block is a five-carbon isoprene unit $\left({\text{CH}}_{\text{2}}\text{C}\left({\text{CH}}_{\text{3}}\right){\text{CHCH}}_{\text{2}}\right)$. The formula of terpene hydrocarbons is ${\left({\text{C}}_{\text{5}}{\text{H}}_{\text{8}}\right)}_{\text{n}}$.