Biochemistry: The Molecular Basis of Life
Biochemistry: The Molecular Basis of Life
6th Edition
ISBN: 9780190209896
Author: Trudy McKee, James R. McKee
Publisher: Oxford University Press
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Chapter 7, Problem 62TQ
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The structure of the original oligosaccharide is to be determined that contains twoglucose residues and one galactose residue. It produces two glucose with methoxygroupat 2,3, and 6 position and galactose with methoxy group at 2,3,4, and 6 positions, when exhaustive methylationfollowed by subsequent hydration is performed.

Introduction:

Oligosaccharides are the polymers that contain 10 to15 monomers linked together by glycosidic bonds. Exhaustive methylation is a process where a sugar molecule is treated with a methylating agent exhaustively till the methyl groupsare added to all the possible locations. This converts OH (hydroxyl) groups toOCH3 (methoxy group). However, the glycosidic bonds are not affected due to exhaustive methylation.

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