EP ESSENTIAL ORG.CHEM.-MOD.MASTERING
EP ESSENTIAL ORG.CHEM.-MOD.MASTERING
3rd Edition
ISBN: 9780133858501
Author: Bruice
Publisher: PEARSON CO
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Chapter 16, Problem 18P
Interpretation Introduction

Interpretation:

The epimers of D-glucose have to be stated.

Concept introduction:

The compound with molecular formula C6H12O6 is the sugar called as glucose.  It is stored as a polymer.  The D-isomer of glucose is known to be D-glucose that is one of the sixteen aldohexose stereoisomers.

The pair of stereoisomers is known as epimer. The two isomers in one pair have different configuration at only one stereo genic centre.

Expert Solution & Answer
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Answer to Problem 18P

The epimer of D-glucose is D-galactose.

Explanation of Solution

The epimer of D-glucose is D-galactose because the configuration of D-galactose is only different at the fourth carbon atom as shown in Figure 1.

EP ESSENTIAL ORG.CHEM.-MOD.MASTERING   , Chapter 16, Problem 18P

Figure 1

Therefore, D-galactose is also known as C-4 epimer of D-glucose.

Conclusion

The epimer of D-glucose was identified.

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