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8. (2 points) Identify hemiacetals and acetals in each molecule shown below. If there is no...
Another Nuclelophilie Addition Reaction: Addition of Alcohols to make Hemiacetals and Acetals You will need to...
Another Nuclelophilie Addition Reaction: Addition of Alcohols to make Hemiacetals and Acetals You will need to predict products of these reactions. But you do not need to be able to draw out the mechanisms.) OH R-OH c-OR OK -&-OR | RoH H' catalyst H' catalyst Ketone/Aldehyde Hemiacetal Acetal Show the following reaction: Cyelohexananone + Methanol (excess). Show the starting material, the hemiacetal intermediate and the acetal product. + CH₂OH Hemiacetal Do problem 19.15. pg. 720 Draw the acetal product for...
5. Consider the molecules shown below. (4 points) Identify all chiral centers in each molecule. •...
5. Consider the molecules shown below. (4 points) Identify all chiral centers in each molecule. • Determine whether each molecule is chiral or achiral. . If the achiral molecules are meso, classify them as such. OH ОН ОН
5. Consider the molecules shown below. (4 points) Identify all chiral centers in each molecule. •...
5. Consider the molecules shown below. (4 points) Identify all chiral centers in each molecule. • Determine whether each molecule is chiral or achiral. • If the achiral molecules are meso, classify them as such. он OH ОН
3. Identify the relationship between the pairs of molecules shown below as either: the same molecule,...
3. Identify the relationship between the pairs of molecules shown below as either: the same molecule, diastereomers, enantiomers, or epimers. (3 points each) CH2OH СНОн он но -н H-OH он OH он OH OH OH H2OH CH2OH 4. Draw the Line Angle formula for the products of the following reactions. (4 points each) Cu+2 -Cu2O(s) + + но -н CH2OH Ht, heat OH HO heat
5. Consider the molecules shown below. (4 points) Identify all chiral centers in each molecule. Determine...
5. Consider the molecules shown below. (4 points) Identify all chiral centers in each molecule. Determine whether each molecule is chiral or achiral. If the achiral molecules are meso, classify them as such. ОН ОН он Cl Alacan.
In-Class Worksheet Carbohydrates Page 8 of 8 4. Label each molecule as containing an acetal, hemiacetal,...
In-Class Worksheet Carbohydrates Page 8 of 8 4. Label each molecule as containing an acetal, hemiacetal, neither, or both. Indicate if they are reducing or non-reducing sugars. CHO CH OH CH OH OH FO нон ону но осн, нон н -он К нон но -н нон CH,OH CH OH --O OH OH Онону он н Сньон он Снон н Кон н Со он нон он и 5. Show the product of treating the following molecule with B-glycosidase: 6. What are...
Map at assify these structures as hemiacetal, hemiketal, acetal, ketal, or other. Each structure needs to...
Map at assify these structures as hemiacetal, hemiketal, acetal, ketal, or other. Each structure needs to go int a box, and they will shrink to fit as needed when you put more than one in a box. Jasperse: Read the hint before you start, because I didn't emphasize the distinction between hemiacetals and hemiketals, or between acetals and ketals. Hemiacetal Hemiketal Acetal Ketal Other ОН OCH3 CH3COCH3 CH2CH3 O II CH3COCH3 OH CH3 | CH3CHOCHZ OCH3 CH3 H3COH H3C CH3...
5 a) identify the anomeric carbon in the below molecule b) identify the thpe of ring...
5 a) identify the anomeric carbon in the below molecule
b) identify the thpe of ring pyranose or furanose
c) identify if it is a or b
6 a) identify the anomeric carbon in the below molecule
b) identify the thpe of ring pyranose or furanose
c) identify if it is a or b
7 The structure of 6-carbon ketose sugar is shown. Draw the
common cyclic structure of this structure (both a and b form)
8 Identify the relationship...
a. Provide the IUPAC name of the molecule shown below. (4 points) b. Circle all achiral...
a. Provide the IUPAC name of the molecule shown below. (4 points) b. Circle all achiral (meso) compounds below. (4 points) OH COH HOZC OH c. Draw the structure of the compound based on its IUPAC name. (4 points) d. Of the cations below, circle any that are achiral. (4 points) OAC Hg ΤΗ (E)-4-ethyl-3-fluorohept-3-ene e. Provide the IUPAC name of the molecule shown below. (4 points) f Rank the following cations from least stable to most stable. (3 points)...
1. (2 points) Draw the enantiomer of the molecule shown below, and indicate absolute configuration for...
1. (2 points) Draw the enantiomer of the molecule shown below, and indicate absolute configuration for each stereogenic center. 3 c4 ОН Enantiomer
Another Nuclelophilie Addition Reaction: Addition of Alcohols to make Hemiacetals and Acetals You will need to predict products of these reactions. But you do not need to be able to draw out the mechanisms.) OH R-OH c-OR OK -&-OR | RoH H' catalyst H' catalyst Ketone/Aldehyde Hemiacetal Acetal Show the following reaction: Cyelohexananone + Methanol (excess). Show the starting material, the hemiacetal intermediate and the acetal product. + CH₂OH Hemiacetal Do problem 19.15. pg. 720 Draw the acetal product for...
5. Consider the molecules shown below. (4 points) Identify all chiral centers in each molecule. • Determine whether each molecule is chiral or achiral. . If the achiral molecules are meso, classify them as such. OH ОН ОН
5. Consider the molecules shown below. (4 points) Identify all chiral centers in each molecule. • Determine whether each molecule is chiral or achiral. • If the achiral molecules are meso, classify them as such. он OH ОН
3. Identify the relationship between the pairs of molecules shown below as either: the same molecule, diastereomers, enantiomers, or epimers. (3 points each) CH2OH СНОн он но -н H-OH он OH он OH OH OH H2OH CH2OH 4. Draw the Line Angle formula for the products of the following reactions. (4 points each) Cu+2 -Cu2O(s) + + но -н CH2OH Ht, heat OH HO heat
5. Consider the molecules shown below. (4 points) Identify all chiral centers in each molecule. Determine whether each molecule is chiral or achiral. If the achiral molecules are meso, classify them as such. ОН ОН он Cl Alacan.
In-Class Worksheet Carbohydrates Page 8 of 8 4. Label each molecule as containing an acetal, hemiacetal, neither, or both. Indicate if they are reducing or non-reducing sugars. CHO CH OH CH OH OH FO нон ону но осн, нон н -он К нон но -н нон CH,OH CH OH --O OH OH Онону он н Сньон он Снон н Кон н Со он нон он и 5. Show the product of treating the following molecule with B-glycosidase: 6. What are...
Map at assify these structures as hemiacetal, hemiketal, acetal, ketal, or other. Each structure needs to go int a box, and they will shrink to fit as needed when you put more than one in a box. Jasperse: Read the hint before you start, because I didn't emphasize the distinction between hemiacetals and hemiketals, or between acetals and ketals. Hemiacetal Hemiketal Acetal Ketal Other ОН OCH3 CH3COCH3 CH2CH3 O II CH3COCH3 OH CH3 | CH3CHOCHZ OCH3 CH3 H3COH H3C CH3...
5 a) identify the anomeric carbon in the below molecule
b) identify the thpe of ring pyranose or furanose
c) identify if it is a or b
6 a) identify the anomeric carbon in the below molecule
b) identify the thpe of ring pyranose or furanose
c) identify if it is a or b
7 The structure of 6-carbon ketose sugar is shown. Draw the
common cyclic structure of this structure (both a and b form)
8 Identify the relationship...
a. Provide the IUPAC name of the molecule shown below. (4 points) b. Circle all achiral (meso) compounds below. (4 points) OH COH HOZC OH c. Draw the structure of the compound based on its IUPAC name. (4 points) d. Of the cations below, circle any that are achiral. (4 points) OAC Hg ΤΗ (E)-4-ethyl-3-fluorohept-3-ene e. Provide the IUPAC name of the molecule shown below. (4 points) f Rank the following cations from least stable to most stable. (3 points)...
1. (2 points) Draw the enantiomer of the molecule shown below, and indicate absolute configuration for each stereogenic center. 3 c4 ОН Enantiomer
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