A polysaccharide of unknown structure was isolated, subjected to exhaustive methylation, and hydrolyzed. Analysis of the products revealed three methylated sugars: 2,3,4-tri-O-methyl-D-glucose, 2,4-di-O-methyl-Dglucose, and 2,3,4,6-tetra-O-methyl-D-glucose, in the ratio 20:1:1. What is the structure of the polysaccharide?

Question

Chemistry

Isiah Riggs

30 June, 13:54

A polysaccharide of unknown structure was isolated, subjected to exhaustive methylation, and hydrolyzed. Analysis of the products revealed three methylated sugars: 2,3,4-tri-O-methyl-D-glucose, 2,4-di-O-methyl-Dglucose, and 2,3,4,6-tetra-O-methyl-D-glucose, in the ratio 20:1:1. What is the structure of the polysaccharide?

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Answers (1)

Know the Answer?

Leonel · Answer 1

Cellulose

Explanation:

Cellulose is best fit. The glucose in cellulose has hydroxyl group quite common at C2, C3, and C6 which makes it optimum candidate for this question.