9. A trisaccharide obtained from the partial hydrolysis of amylopectin showed two glycosidic linkages. A. Draw the structure of the trisaccharide B. If the trisaccharide is to be exhaustively methylated and subsequently hydrolyzed with an acid, how many different methylated products will be obtained? Draw their structures. C. Can an aqueous solution of the trisaccharide precipitate Cu as Cu₂O? If it can, encircle the potential carbonyl carbon(s) in the trisaccharide. D. Can the trisaccharide exist in different anomeric forms? If yes, draw their structures.
9. A trisaccharide obtained from the partial hydrolysis of amylopectin showed two glycosidic linkages. A. Draw the structure of the trisaccharide B. If the trisaccharide is to be exhaustively methylated and subsequently hydrolyzed with an acid, how many different methylated products will be obtained? Draw their structures. C. Can an aqueous solution of the trisaccharide precipitate Cu as Cu₂O? If it can, encircle the potential carbonyl carbon(s) in the trisaccharide. D. Can the trisaccharide exist in different anomeric forms? If yes, draw their structures.
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 25.39P
Related questions
Question
A trisaccharide obtained from the partial hydrolysis of amylopectin showed two glycosidic
linkages.
A. Draw the structure of the trisaccharide
B. If the trisaccharide is to be exhaustively methylated and subsequently hydrolyzed with
an acid, how many different methylated products will be obtained? Draw their
structures.
C. Can an aqueous solution of the trisaccharide precipitate Cu as Cu2O? If it can, encircle
the potential carbonyl carbon(s) in the trisaccharide.
D. Can the trisaccharide exist in different anomeric forms? If yes, draw their structures.
Transcribed Image Text:9. A trisaccharide obtained from the partial hydrolysis of amylopectin showed two glycosidic
linkages.
A. Draw the structure of the trisaccharide
B. If the trisaccharide is to be exhaustively methylated and subsequently hydrolyzed with
an acid, how many different methylated products will be obtained? Draw their
structures.
C. Can an aqueous solution of the trisaccharide precipitate Cu as Cu₂O? If it can, encircle
the potential carbonyl carbon(s) in the trisaccharide.
D. Can the trisaccharide exist in different anomeric forms? If yes, draw their structures.
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