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Two forms of D – glucopyranose, are called. (A) Enantiomers (B) Anomers (C) Epimers (D) Diastereomers

Two forms of D – glucopyranose, are called. 


 (A) Enantiomers (B) Anomers 


 (C) Epimers (D) Diastereomers 


Grade:11

2 Answers

Shiv
33 Points
10 years ago
The cyclic form of glucose is called glucopyranose. Nucleophillic attack on a planar carbonyl group can occur from either face, leading to two different stereochemical outcomes to two different diastereomers. In carbohydrate nomenclature, these two diastereomers are referred to as the alpha and beta anomers of glucopyranose. So it is called anomers of glucopyranose.
Golu
13 Points
2 years ago
Correct option is
B
anomers
 
The cyclic form of glucose is glucopyranose. 
 
Nucleophillic attack on a planar carbonyl group can occur from either face which leads to two different stereochemical outcomes to two different diastereomers.
 
 In carbohydrate nomenclature, these two diastereomers are referred to as the alpha and beta anomers of glycopyranose.
 
So it is called anomers of D-Glycopyranose.
 
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