Draw the structures of D-glucose, L-glucose and L-mannose in a Fischer projection. Give the configuration at each stereogenic site. Report each carbon number with its configuration (e.g. 1R, 2R, 7S).
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Draw the structures of D-glucose, L-glucose and L-mannose in a Fischer projection. Give the configuration at...
11. Draw the structures of a-D-glucose and D-mannose (both cyclic form). Which bond(s) in a-D-glucose must be broken to change its configuration to B-D-glucose? Which bond(s) to convert D-glucose to D-mannose? Which bond(s) to convert one "chair" form of D-glucose to the other?
Draw Fischer-projections for the hexitols obtained by reducing a mixture of D-mannose, D-glucose, D-fructose and D-galactose.
Report Sheet A.2 Fischer projection of D-glucose Haworth (cyclic) formulas B-D-glucose Q-D-glucose Bouwbedeus A.3 Fischer projection of D-fructose Haworth (cyclic) formula for C-D-fructose Fischer projection of D-galactose Haworth (cyclic) formula for a-D-galactose Questions and Problems Q.1 How does the structure of D-glucose compare to the structure of D-galactose?
CARBOHYDRATES POST-LAB QUESTIONS [52] 19. Review the Fischer structures of D-galactose, D-glucose, and D-mannose Identify each structure. [12 pts) CHO CHO CHO Н. -OH HO -H H -OH HO -H HO H HO -H Н. OH H OH HO -H H -OH H ОН Н. ОН CH2OH CH2OH CH2OH D-Glucose D-Mannose TD-Galactose 20. Would either D-galactose or D-mannose form an osazone identical to the glucose osazone? [5 pts] 21. Explain: [5 pts) [5 pts] 22. What structural feature do all...
Draw the Fischer projection of D-glucose. Switch between an aldose and a ketose by clicking on "switch carbonyl group." Add or delete carbon atoms using the add ("+") or delete ("x") buttons. Clicking on a blue box once adds a hydrogen atom (H). Clicking on a blue box again toggles between H and OH.
Draw the Fischer projection of L-Thr. The chiral center other than the α-carbon has an R configuration.
1. For D-glucose and D-fructose provide the following information: a) Molecular formula b) Fischer projection of the open chain and specified cyclic structure c)Type of carbohydrate (Prefix: aldo or keto + number of carbons + "ose"; e.g. aldohexose) D-glucose Molecular formula: Type of carbohydrate: Fischer projection a- cyclic structure D-fructose Molecular formula: Type of carbohydrate: Fischer projection B-cyclic structure O
Problem 4 (10 pts) D-allose is the C2-epimer of D-glucose. Draw the open form (Fischer Projection) structure of L-allose. Draw the structure of a-D-allopyranose Cellobiose is a disaccharide which contains two glucose units with a p(1-4) glycosidic linkage. Draw the structure of Cellobiose.
Draw the Fischer projection for the oxidation product of D-xylose. Drag the appropriate labels to their respective targets. Part C Draw the Fischer projection for the reduction products of D-xylose.Drag the appropriate labels to their respective targets. Part A Assign all of the chiral carbon atoms in the following molecule to (1).
Draw the Haworth projection structures for the B- anomer for
these Fischer projections.
raw Haworth projection structures for the B-anomer for these Fisch ojections CHO CHO ОН НО -Н H Н -ОН НО -Н Н -ОН CH2OH (D)-idose НО-НН НО-НН ньон снон (D)-galactose