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10-11.) For this trisaccharide, indicate whether glycosidic linkage is alpha- or beta-. Identify carbon number where it is bonded. CH 2OH CH ,OH CH 2OH 2 OH но Он он OH Он он

10-11.) For this trisaccharide, indicate whether glycosidic linkage is alpha- or beta-. Identify carbon number where it is bonded. CH 2OH CH ,OH CH 2OH 2 OH но Он он OH Он он

Organic Chemistry
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 25.36P
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10-11.) For this trisaccharide, indicate whether glycosidic linkage is alpha- or beta-. Identify carbon number where it is bonded. CH 2OH CH ,OH CH 2OH 2 OH но OH он Он он 12.) Three of the five disaccharides above contain a 1, 4 glycosidic linkages. Which TWO molecules do NOT contain a 1, 4 glycosidic linkages? Encircle the letter of your two choices. CH,OH CH,OH CH,OH CH,OH OH A он OH он OH OH OH CH,OH OH CH,OH CH,OH OH OH C D H OH HOH,C OH OH OH OH CH,OH H. CH,OH CH,OHO. E OH H OH OH OH
Transcribed Image Text:10-11.) For this trisaccharide, indicate whether glycosidic linkage is alpha- or beta-. Identify carbon number where it is bonded. CH 2OH CH ,OH CH 2OH 2 OH но OH он Он он 12.) Three of the five disaccharides above contain a 1, 4 glycosidic linkages. Which TWO molecules do NOT contain a 1, 4 glycosidic linkages? Encircle the letter of your two choices. CH,OH CH,OH CH,OH CH,OH OH A он OH он OH OH OH CH,OH OH CH,OH CH,OH OH OH C D H OH HOH,C OH OH OH OH CH,OH H. CH,OH CH,OHO. E OH H OH OH OH
13-18.) Given the structures of the naturally occurring aldoses, list at least three examples of the following: a) diastereomers b) epimers Three carbons Four carbons Five carbons H--OH H--OH HO--H HO--H но-н H--OH ČH,OH H-C-OH HO--H H--OH H--OH ČH,OH -Erythrose D-Threose HO--H H-C-OH H-C-OH H--OH H--OH ČH,OH H--OH H-C-OH ČH,OH CH,OH CH,OH ČH,OH »Glyceraldehyde D-Ribose D-Arabinose D-Xylose D-Lyxose Six carbons H-C-OH HO-C-H H-C-OH HO--H HO-C-H H-C-OH HO-C-H H--OH HO-C-H H-C-OH HO-C-H HO-H HO--H HO--H HO--H H--OH CH,OH H-OH HO-H H-OH H--OH H--OH H-C-OH H-OH CH,OH H--OH CH,OH H-C-OH H OH CH,OH H-C-OH H--OH CH,OH HO-C-H H--OH CH,OH H-C-OH H--OH CH,OH D-Galactose -Talose CH,OH D-Allose D-Altrose D-Glucose D-Mannose D-Gulose D-Idose D-Aldoses (a)
Transcribed Image Text:13-18.) Given the structures of the naturally occurring aldoses, list at least three examples of the following: a) diastereomers b) epimers Three carbons Four carbons Five carbons H--OH H--OH HO--H HO--H но-н H--OH ČH,OH H-C-OH HO--H H--OH H--OH ČH,OH -Erythrose D-Threose HO--H H-C-OH H-C-OH H--OH H--OH ČH,OH H--OH H-C-OH ČH,OH CH,OH CH,OH ČH,OH »Glyceraldehyde D-Ribose D-Arabinose D-Xylose D-Lyxose Six carbons H-C-OH HO-C-H H-C-OH HO--H HO-C-H H-C-OH HO-C-H H--OH HO-C-H H-C-OH HO-C-H HO-H HO--H HO--H HO--H H--OH CH,OH H-OH HO-H H-OH H--OH H--OH H-C-OH H-OH CH,OH H--OH CH,OH H-C-OH H OH CH,OH H-C-OH H--OH CH,OH HO-C-H H--OH CH,OH H-C-OH H--OH CH,OH D-Galactose -Talose CH,OH D-Allose D-Altrose D-Glucose D-Mannose D-Gulose D-Idose D-Aldoses (a)
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