Organic Chemistry (8th Edition)
Organic Chemistry (8th Edition)
8th Edition
ISBN: 9780134042282
Author: Paula Yurkanis Bruice
Publisher: PEARSON
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Chapter 20, Problem 70P
Interpretation Introduction

Interpretation:

The structure of trehalose with molecular formula C12H22O11 has to be drawn.

Concept Introduction:

Trehalose appears as the white color powder and it does not have any odor that means trehalose is an odorless powder.  Trehalose is relatively 45% sweet as that of sucrose.  It is a nonreducing homodisaccharide in which two glucose units are linked together.

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Trehalose, C12H22O11, is a nonreducing sugar that is only 45% as sweet as sugar. When hydrolyzed by aqueous acid or the enzyme maltase, it formsonly d-glucose. When it is treated with excess methyl iodide in the presence of Ag2O and then hydrolyzed with water under acidic conditions, only2,3,4,6-tetra-O-methyl-d-glucose is formed. Draw the structure of trehalose.
Trehalose, C12H22O11, is a nonreducing sugar that is only 45% as sweet as sugar. When hydrolyzed by aqueous acid or the enzyme maltase, it forms only d-glucose. When it is treated with excess methyl iodide in the presence of Ag2O and then hydrolyzed with water under acidic conditions, only 2,3,4,6-tetra-O-methyl-d-glucose is formed. Draw the structure of trehalose
(h) Identify B-D-altrose and a-D-altrose from the monosaccharides shown below. VI I CH2OH O. CH2OH II H V ОН, IV H III OH OH H (i) The monosaccharide below is a(n) (d-aldopentose, R-aldopentose, S- aldopentose, L-aldopentose, D-aldopentose).

Chapter 20 Solutions

Organic Chemistry (8th Edition)

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