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Concept explainers
a)
Interpretation:
The structure of the given sugar
Concept Introduction:
Concept introduction:
The Haworth projection: A Haworth projection is a three-dimensional representation of monosaccharides and the structural formula is inscription as a cyclic structures.
In Haworth projection, oxygen atom is placed in back right corner,
Furanose: A five-member closed chain form of a monosaccharide.
Pyranose: A six-member cyclic form of a monosaccharide.
b)
Interpretation:
The structure of the given sugar
Concept Introduction:
The Haworth projection: A Haworth projection is a three-dimensional representation of monosaccharides and the structural formula is inscription as a cyclic structures.
In Haworth projection, oxygen atom is placed in back right corner,
Furanose: A five-member closed chain form of a monosaccharide.
Pyranose: A six-member cyclic form of a monosaccharide.
c)
Interpretation: The structure of the given sugar
Concept Introduction:
The Haworth projection: A Haworth projection is a three-dimensional representation of monosaccharides and the structural formula is inscription as a cyclic structures.
In Haworth projection, oxygen atom is placed in back right corner,
Furanose: A five-member closed chain form of a monosaccharide.
Pyranose: A six-member cyclic form of a monosaccharide.
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Chapter 16 Solutions
Pearson eText for Essential Organic Chemistry -- Instant Access (Pearson+)
- Draw a Haworth projection for each compound using the structures. α-D-tagatofuranosearrow_forwardUnder basic conditions, fructose will give a positive Benedict's test. Does this mean that fructose is a reducing sugar? A. No B. Yes C. Inconclusivearrow_forwardFor D-lyxose i. Draw an epimer at C3. ii. Draw a diastereomer that is not an epimer. iii. Draw the anomers of -D-lyxofuranose and -D-lyxopyranose. iv. Draw the product as Haworth projection when reacted with methanol catalysed by acid.arrow_forward
- a. Draw a three-dimensional structure for the following steroid. b. What is the structure of the single stereoisomer formed by reduction of this ketone with H2, Pd-C? Explain why only one stereoisomer is formed.arrow_forward6arrow_forwardDraw the product formed when each monosaccharide is oxidized with Benedict’s reagent.arrow_forward
- 20.22 Draw the structure of each type of compound. a. a D-aldotriose C. a four-carbon aldonic acid b. an L-ketohexosearrow_forwardWhich pairs of molecules are interconvertible via mutarotation? O a. D-glucose and D-fructose O b. D-glucose and D-galactose O c. D-glucose and D-glucosamine O d. a-D-glucose and B-D-glucosearrow_forwardCH2OH A. Circle the anomeric sugar on the left OH B. Circle the carbon that makes the H. H. given sugar D-configuration? H. C. Is this possibly a natural sugar? OH D. Is this a or B sugar? H. OHarrow_forward
- Draw and upload the alpha anomer for both sugars: b. a. CHO CHO H- ⚫OH HO -H HO H H ⚫OH H- H- H OH HO •H -OH CH2OH CH2OH Dra I Drarrow_forwardDraw the product formed when each compound reacts with NADH (or NADPH, L Problem 13.8) in the presence of an enzyme. Each reaction occurs during the biosynthesis of an amino acid, a monosaccharide, or a lipid. do H. a. NH3 B-aspartate semialdehyde b.O,PO OPO,2- OH 1,3-bisphosphoglycerate о но C. O H. mevaldehydearrow_forwardFor D-arabinose:a. Draw its enantiomer.b. Draw an epimer at C3.c. Draw a diastereomer that is not an epimer.d. Draw a constitutional isomer that still contains a carbonyl group.arrow_forward
- Macroscale and Microscale Organic ExperimentsChemistryISBN:9781305577190Author:Kenneth L. Williamson, Katherine M. MastersPublisher:Brooks ColeIntroduction to General, Organic and BiochemistryChemistryISBN:9781285869759Author:Frederick A. Bettelheim, William H. Brown, Mary K. Campbell, Shawn O. Farrell, Omar TorresPublisher:Cengage Learning
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