Chapter 5, Problem 32P

Interpretation Introduction

Interpretation:

The functional groups alcohol, aldehyde, ketone and ester in the natural product uscharidin are to be identified.

The methylene groups in uscharidin are to be identified.

The primary carbons in uscharidin are to be identified.

Concept introduction:

The functional groups alcohol, aldehyde, ketone, and ester are identified on the basis of a combination of the groups attached to the same carbon – alcohol $\text{ROH}$, aldehyde $\text{RC(O)H}$, ketone $\text{RC(O)R}$, ester $\text{RCOOR}$.

A methylene group consists of a carbon atom bonded to two hydrogens and two other atoms.

A primary carbon atom is one that is bonded to only one carbon atom.