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Chapter 13: Q.13.23 (page 446)

Draw the Fischer projection for the other enantiomer of a to d in problem 13.21.

Short Answer

Expert verified

The Fischer projections are-

a.

b.

c.

d.

Step by step solution

01

Part (a) Step 1: Given Information

In a natural molecule, if the -OH bunch is joined to the base chiral focus and it focuses towards the right then the compound is a D-enantiomer.

02

Part (a) Step 2: Explanation

In the given construction of threose, the - OH bunch is joined to the base chiral focus and it focuses towards the right. Thusly, it's a D-enantiomer

03

Part (b) Step 1: Given Information

In a natural molecule, if the -OH bunch is joined to the base chiral focus and it focuses towards the right then the compound is a D-enantiomer.

04

Part (b) Step 2: Explanation

In the given construction of xylulose, the - OH bunch is joined to the base chiral focus and it focuses towards the right. Thusly, it's a D-enantiomer.

05

Part (c) Step 1: Given Information

In a natural molecule, if the -OH bunch is joined to the base chiral focus and it focuses towards the left then the compound is an L-enantiomer.

06

Part (c) Step 2: Explanation

In the given design of Mannose, the -OH bunch is connected to the base chiral focus and it focuses towards the left. In this way, it's an L-enantiomer.

07

Part (d) Step 1: Given Information

In a natural molecule, if the -OH bunch is joined to the base chiral focus and it focuses towards the right then the compound is a D-enantiomer.

08

Part (d) Step 2: Explanation

In the given construction of allose, the -OH bunch is joined to the base chiral focus and it focuses towards the right. Thusly, it's a D-enantiomer.

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Most popular questions from this chapter

Draw the Fischer Projection for each of the following wedge-dash structures:

What are the differences in the Haworth structures of α-D-glucose and β-D-glucose? (13.4)

Gentiobiose is found in saffron.(13.4,13.5,13.6)

a. Gentiobiose contains two glucose molecules linked by a β(1→6)-glycosidic bond. Draw the Haworth structure for β-gentiobiose.

b. Is gentiobiose a reducing sugar? Explain.

Melezitose, a carbohydrate secreted by insects, has the following Haworth structure:(13.4,13.5,13.6)

a. Is melezitose a mono-, di-, or trisaccharide?

b. What monosaccharides are present in melezitose?

c. Is melezitose a reducing sugar?

What are the disaccharides and polysaccharides present in each of the following? (13.6,13.7)

(a)

(b)
See all solutions

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