disaccharide

Organic Chemistry
8th Edition
ISBN:9781305580350
Author:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher:William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Chapter25: Carbohydrates
Section: Chapter Questions
Problem 25.49P
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What are the positions of the C-1 and C-4 hydroxyl groups in the most stable chair conformation of alpha-D-altrose ?
A. axial and axial, respectively
B. equatorial and equatorial, respectively
C. equatorial and axial, respectively
D. axial and equatorial, respectively
E. none of the above
A
O C
O D
O E
Question 8
Which of the following best describes the disaccharide shown here?
но.
OH
но
OH
Он
OH
но
OH
A. a-1,4' glycoside of D-glucose and D-galactose
B. B-1,3' glycoside of D-glucose and D-galactose
C. a-1,4' glycoside of D-galactose and D-glucose
D. B-1,4' glycoside of D-gulose and D-galactose
E. a-1,3' glycoside of D-allose and D-glucose
F. a-1,3' glycoside of D-idose and D-idose
G. a-1,3' glycoside of D-altrose and D-galactose
H. B-1,3' glycoside of D-altrose and D-galactose
Transcribed Image Text:What are the positions of the C-1 and C-4 hydroxyl groups in the most stable chair conformation of alpha-D-altrose ? A. axial and axial, respectively B. equatorial and equatorial, respectively C. equatorial and axial, respectively D. axial and equatorial, respectively E. none of the above A O C O D O E Question 8 Which of the following best describes the disaccharide shown here? но. OH но OH Он OH но OH A. a-1,4' glycoside of D-glucose and D-galactose B. B-1,3' glycoside of D-glucose and D-galactose C. a-1,4' glycoside of D-galactose and D-glucose D. B-1,4' glycoside of D-gulose and D-galactose E. a-1,3' glycoside of D-allose and D-glucose F. a-1,3' glycoside of D-idose and D-idose G. a-1,3' glycoside of D-altrose and D-galactose H. B-1,3' glycoside of D-altrose and D-galactose
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