Concept explainers
a)
Interpretation:
A sugar that is
Concept Introduction:
Epimers are the monosaccharides which differ in the structure at only one of the asymmetric center and they are particular kind of stereoisomers that are not enantiomers. For example,
b)
Interpretation:
A sugar that is
Concept Introduction:
Epimers are the monosaccharides which differ in the structure at only one of the asymmetric center and they are particular kind of stereoisomers that are not enantiomers. For example,
c)
Interpretation:
A sugar that is
Concept Introduction:
Epimers are the monosaccharides which differ in the structure at only one of the asymmetric center and they are particular kind of stereoisomers that are not enantiomers. For example,
d)
Interpretation:
A sugar that is
Concept Introduction:
Epimers are the monosaccharides which differ in the structure at only one of the asymmetric center and they are particular kind of stereoisomers that are not enantiomers. For example,
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Organic Chemistry (8th Edition)
- How is each compound related to the simple sugar D-erythrose? Is it an enantiomer, a diastereomer, or an identical molecule?arrow_forwardD-Arabinose can exist in both pyranose and furanose forms. a. Draw the α and β anomers of D-arabinofuranose. b. Draw the α and β anomers of D-arabinopyranose.arrow_forwarda. How many stereogenic centers are present in α-D-galactose? b. Label the hemiacetal carbon in α-D-galactose. c. Draw the structure of β-D-galactose. d. Draw the structure of the polyhydroxy aldehyde that cyclizes to α- and β-D-galactose.arrow_forward
- Draw the product formed when each monosaccharide is oxidized with Benedict’s reagent.arrow_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_forwardDraw the Haworth projection of the monossacharides above. Show each alpha and beta anomers.arrow_forward
- Label the anomeric carbon for D- ribosearrow_forwardm) Which pyranose ring (A, B, C, or D) in the tetrasaccharide below is derived from D-altrose? The Fischer projections for the four aldohexoses that make up this tetrasaccharide are shown below. B C D HOH CHO CHO CHO CHO HO+H HTOH Fонно н HOH HOH H-OH H-OH H-+-OH H-TOHHOH HOH H+OH HOHнтон нон CHOH CHOH CHOH CHOH De D-glue Dalose Datrone i NH Į HOH STEP 1 OH, HO- answer 1. Just add arrows and charges for steps 1, 2, and 3 in formation of this enamine з no arrows needed here OH н Н ЮН -OH STEP 3 :ÖH н H STEP 2 на это про за почarrow_forwardIs the ring a pyranose or a furanose ring for D-Ribosearrow_forward
- Draw the products formed when β-D-galactose is treated with each reagent. a. Ag2O + CH3I b. NaH + C6H5CH2Cl c. The product in (b), then H3O+ d. Ac2O + pyridine e. C6H5COCl + pyridine f. The product in (c), then C6H5COCl + pyridinearrow_forwardDraw Haworth projection formulas for the a-anomer of monosaccharides with each of the following Fischer projection formulas. a. CHO HOH H- HO- H -ОН -Η OH CH₂OH b. CHO H -OH H -ОН HO H CH₂OHarrow_forwardA. Determine the stereochemistry (R/S) for all of the stereogenic centers in this molecule. B. Draw this molecule as a Fischer Projection. C. Draw the enantiomer and any two additional diastereomers for this molecule.arrow_forward
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