Chapter 20, Problem 63P

Interpretation Introduction

Interpretation:

The mechanism that accounts for the incorporation of the deuterium atoms into $\text{D-fructose}$ is to be shown.

Concept Introduction:

Fructose exists as either a free sugar or in polysaccharide forms. The minor tautomers of fructose are $\text{α-D-fructopyranose}$ and linear keto form of fructose.

Tautomers are the isomers which makes the difference in the position of protons.