(a)
Interpretation:
The given Glyceraldehyde is D or L should be identified.
Concept introduction:
Aldose: A monosaccharide in which carbon serves as a backbone and contains an
Ketose: A ketose is a simple sugar unit (monosaccharide) containing one
D and L enantiomers: L isomers have the hydroxyl group attached to the left side of the asymmetric carbon furthest from the carbonyl.
R isomers have the hydroxyl group attached to the right side of the asymmetric carbon furthest from the carbonyl.
D-Glyceraldehyde has the R configuration, while L-glyceraldehyde has the S configuration.
(b)
Interpretation:
The given Glyceraldehyde is D or L should be identified.
Concept introduction:
Aldose: A monosaccharide in which carbon serves as a backbone and contains an aldehyde group at the beginning.
Ketose: A ketose is a simple sugar unit (monosaccharide) containing one ketone group per molecule.
D and L enantiomers: L isomers have the hydroxyl group attached to the left side of the asymmetric carbon furthest from the carbonyl.
R isomers have the hydroxyl group attached to the right side of the asymmetric carbon furthest from the carbonyl.
D-Glyceraldehyde has the R configuration, while L-glyceraldehyde has the S configuration.
(c)
Interpretation:
The given Glyceraldehyde is D or L should be identified.
Concept introduction:
Aldose: A monosaccharide in which carbon serves as a backbone and contains an aldehyde group at the beginning.
Ketose: A ketose is a simple sugar unit (monosaccharide) containing one ketone group per molecule.
D and L enantiomers: L isomers have the hydroxyl group attached to the left side of the asymmetric carbon furthest from the carbonyl.
R isomers have the hydroxyl group attached to the right side of the asymmetric carbon furthest from the carbonyl.
D-Glyceraldehyde has the R configuration, while L-glyceraldehyde has the S configuration.
(d)
Interpretation:
The given Glyceraldehyde is D or L should be identified.
Concept introduction:
Aldose: A monosaccharide in which carbon serves as a backbone and contains an aldehyde group at the beginning.
Ketose: A ketose is a simple sugar unit (monosaccharide) containing one ketone group per molecule.
D and L enantiomers: L isomers have the hydroxyl group attached to the left side of the asymmetric carbon furthest from the carbonyl.
R isomers have the hydroxyl group attached to the right side of the asymmetric carbon furthest from the carbonyl.
D-Glyceraldehyde has the R configuration, while L-glyceraldehyde has the S configuration.
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Chapter 24 Solutions
Organic Chemistry, Binder Ready Version
- V Biological Macromolecules Drawing the Haworth projection of an aldose from its Fischer projection Draw a Haworth projection of a common cyclic form of this monosaccharide: H C=O HO H HO H H OH CH₂OH Explanation Check Click and drag to start drawing a structure. Xarrow_forwardComplete the mechanismarrow_forwardComplete the mechanismarrow_forward
- 8 00 6 = 10 10 Decide whether each of the molecules in the table below is stable, in the exact form in which it is drawn, at pH = 11. If you decide at least one molecule is not stable, then redraw one of the unstable molecules in its stable form below the table. (If more than unstable, you can pick any of them to redraw.) Check OH stable HO stable Ounstable unstable O OH stable unstable OH 80 F6 F5 stable Ounstable X Save For Later Sub 2025 McGraw Hill LLC. All Rights Reserved. Terms of Use | Privacy C ཀྭ་ A F7 매 F8 F9 4 F10arrow_forwardJust try completing it and it should be straightforward according to the professor and TAs.arrow_forwardThe grading is not on correctness, so if you can just get to the correct answers without perfectionism that would be great. They care about the steps and reasoning and that you did something. I asked for an extension, but was denied the extension.arrow_forward
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