(10 points) An unknown aldotetrose was reacted with HCN followed by reduction with H_{2} over P * d/B * aS*O_{4} to give aldopentoses A and B. Aldopentose B was reacted with HCN followed by reduction with H_{2} over over P * d/B * aS*O_{4} to give aldohexoses C and D. Aldohexose D was identified as Dglucose. a) Identify the sugars represented by A, B, C and the original unknown aldotetrose. b) Draw the Hayworth projection for sugar C, assume it is in its hemiacetal form.
(10 points) An unknown aldotetrose was reacted with HCN followed by reduction with H_{2} over P * d/B * aS*O_{4} to give aldopentoses A and B. Aldopentose B was reacted with HCN followed by reduction with H_{2} over over P * d/B * aS*O_{4} to give aldohexoses C and D. Aldohexose D was identified as Dglucose. a) Identify the sugars represented by A, B, C and the original unknown aldotetrose. b) Draw the Hayworth projection for sugar C, assume it is in its hemiacetal form.
Introduction to General, Organic and Biochemistry
11th Edition
ISBN:9781285869759
Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Publisher:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar Torres
Chapter20: Carbohydrates
Section: Chapter Questions
Problem 20.58P
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(10 points) An unknown aldotetrose was reacted with HCN followed by reduction with H_{2} over P * d/B * aS*O_{4} to give aldopentoses A and B. Aldopentose B was reacted with HCN followed by reduction with H_{2} over over P * d/B * aS*O_{4} to give aldohexoses C and D. Aldohexose D was identified as Dglucose. a) Identify the sugars represented by A, B, C and the original unknown aldotetrose. b) Draw the Hayworth projection for sugar C, assume it is in its hemiacetal form.
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