Fucose, one of several monosaccharides found in the surface polysaccharides of animal cell membranes, is synthesized biochemically from mannose in the following eight steps. СНО -H- CH,OH CH,OH H,C H Но- H. Но- -H- ОН НО, CH3 ОН НО ОН НО НО ОН НО You H H HO- ČH,OH Mannose СНО H H H Но H- H CH, Но H НО OH CH3 Но VÓH HO H НО H- HO- НО НО H Но- H ČH3 Fucose
Fucose, one of several monosaccharides found in the surface polysaccharides of animal cell membranes, is synthesized biochemically from mannose in the following eight steps. СНО -H- CH,OH CH,OH H,C H Но- H. Но- -H- ОН НО, CH3 ОН НО ОН НО НО ОН НО You H H HO- ČH,OH Mannose СНО H H H Но H- H CH, Но H НО OH CH3 Но VÓH HO H НО H- HO- НО НО H Но- H ČH3 Fucose
Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Question
Steps 5 and 6 combined are best described as which of the following?
1. A reduction followed by reoxidation at C3
2. Two keto-enol tautomerizations that lead to
stereochemical inversion at C3
3. An elimination followed by addition that leads to stereochemical retention at C4
4. Dehydration followed by hydration that leads to stereochemical retention at C4
![Fucose, one of several monosaccharides found in the
surface polysaccharides of animal cell membranes,
is synthesized biochemically from mannose in the
following eight steps.
СНО
-H-
CH,OH
CH,OH
H,C
H
Но-
H.
Но-
-H-
ОН НО,
CH3
ОН НО
ОН НО
НО
ОН НО
You
H
H
HO-
ČH,OH
Mannose
СНО
H
H
H
Но
H-
H
CH,
Но
H
НО
OH
CH3
Но
VÓH
HO
H
НО
H-
HO-
НО
НО
H
Но-
H
ČH3
Fucose](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F51bb2c50-a6ab-4507-90b8-24cebd0a1383%2Fe8068e50-ab42-4d97-b672-01d953287d93%2Faxqqhv9.jpeg&w=3840&q=75)
Transcribed Image Text:Fucose, one of several monosaccharides found in the
surface polysaccharides of animal cell membranes,
is synthesized biochemically from mannose in the
following eight steps.
СНО
-H-
CH,OH
CH,OH
H,C
H
Но-
H.
Но-
-H-
ОН НО,
CH3
ОН НО
ОН НО
НО
ОН НО
You
H
H
HO-
ČH,OH
Mannose
СНО
H
H
H
Но
H-
H
CH,
Но
H
НО
OH
CH3
Но
VÓH
HO
H
НО
H-
HO-
НО
НО
H
Но-
H
ČH3
Fucose
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