Given the structure below, please answer the questions that follow. OH Но OH HOʻ Но Но B A OH но Но OH C OH Oligosaccharide 1 a. Is this a reducing or non-reducing sugar? Which sugarts) tell you this and how? b. What is the linkage type between sugars A and B? c. What is the linkage type between sugars B and C?

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter25: Carbohydrates
Section: Chapter Questions
Problem 25.48P
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Provide answer of the attached

Given the structure below, please answer the questions that follow.
OH
Но
OH
HOʻ
Но
Но
B
A OH
но
Но
OH
C OH
Oligosaccharide 1
a. Is this a reducing or non-reducing sugar? Which sugarts) tell you this and how?
b. What is the linkage type between sugars A and B?
c. What is the linkage type between sugars B and C?
Transcribed Image Text:Given the structure below, please answer the questions that follow. OH Но OH HOʻ Но Но B A OH но Но OH C OH Oligosaccharide 1 a. Is this a reducing or non-reducing sugar? Which sugarts) tell you this and how? b. What is the linkage type between sugars A and B? c. What is the linkage type between sugars B and C?
Expert Solution
Step 1

a) Type of sugar : Reducing sugar

This sugar is reducing sugar. C-sugar tell you it is a reducing sugar because at anomeric carbon free OH group is present and it's shows mutarotation. 

 

Step 2

b) linkage type between sugars B and C 

If you see the B and C sugars then this sugars have glycosidic bond between two carbons one Carbon is anomeric carbon of a Sugar and it's attached with C1 carbon and it is beta anomer and another carbon C3 carbon which forming glycosidic bond with C1 carbon. 

So, type of glycosidic linkage between A and B is : beta-1,3 linkage 

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