Clearly draw the two possible chair conformations of the beta anomer of D-idose and circle the more stable conformer. Use the guidelines outlined in the textbook and lecture notes when drawing chair conformations.
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Clearly draw the two possible chair conformations of the beta
anomer of D-idose and circle the...
19. Glucosamine is a product of the fermentation of corn and is shown below. Draw the...
19. Glucosamine is a product of the fermentation of corn and is
shown below. Draw the Fischer projection of glucosamine:
20. Draw the most stable chair conformation of the D-idose, whose
Fisher projection is shown
below. Is it an a- or b-anomer?
19. Glucosamine is a product of the fermentation of corn and is shown below. Draw the Fischer projection of glucosamine: OH H ОН NH2 он 20. Draw the most stable chair conformation of the D-idose, whose Fisher projection...
3. a) Draw both chair conformations for the molecule shown below. (2pts) b) Circle the most...
3. a) Draw both chair conformations for the molecule shown
below. (2pts) b) Circle the most stable conformation above. Give a
brief explanation on why your choice is more stable. (2pts)
b) Circle the most stable conformation above. Give a brief
explanation on why your choice is more stable. (2pts)
3. a) Draw both chair conformations for the molecule shown below. (2pts) HO OH b) Circle the most stable conformation above. Give a brief explanation on why your choice is...
2. Please refer to the monosaccharides shown below to the following questione (i) CHOA City CH....
2. Please refer to the monosaccharides shown below to the following questione (i) CHOA City CH. OH CAO CH2014 SHO LO HOH o A- HOH Анон HAH Hotu Нон H OM 40+ CHOA HOH 4-104 HOH HO нон c, or (404 CH₂OH A. Sorbose B. Rhamnose C Erythrulose D. Xylulose E. Glucose ) Classify each sugar by type: ketoheptose, aldo butase etc. Sorbose Rhamnose Erythrulose Xylulose Glucose from the sugars above, choose the one(s) that fit each description below ii)...
18. Draw the product of the following Dieckmann cyclization: 1) NaOCH2CH3 CH3CH2OH 2) H30* 19. Glucosamine...
18. Draw the product of the following Dieckmann cyclization: 1) NaOCH2CH3 CH3CH2OH 2) H30* 19. Glucosamine is a product of the fermentation of corn and is shown below. Draw the Fischer projection of glucosamine: OH H ОН NH2 OH 20. Draw the most stable chair conformation of the D-idose, whose Fisher projection is shown below. Is it an a-or B-anomer? CHO HO -H H- -OH HO Н H -OH CH2OH
7. (13 points) For the compound 1-tert-butyl-4-methylcyclohexane: a. Draw the two possible chair conformations for the...
7. (13 points) For the compound 1-tert-butyl-4-methylcyclohexane: a. Draw the two possible chair conformations for the cis isomer, Which conformation, if either, is more stable? Circle one b. Draw the two possible chair conformations for the cis isomer, Which conformation, if either, is more stable? Circle one trans: C. Between the two more stable isomers circled above, which is more stable? Why?
Select all possible 2-ketopentoses. x Incorrect. D-forms: CH, OH H- OH HO- H CH, OH CH,OH...
Select all possible 2-ketopentoses. x Incorrect. D-forms: CH, OH H- OH HO- H CH, OH CH,OH HOEH HOH CH OH CH,OH O H- OH H- OH CH, OH CH, OH 0= HO+H H- OH CH,OH X Incorrect. L-forms: CH,OH HOH НЕОН CH, OH CH, OH O= НЕОН HOH CH OH CH, OH HOH HOH CH, OH CH, OH O= HOH HOH CH, OH
6. Draw the two chair conformations for cis-1-sec-butyl-2-ethylcyclohexane. Predict the most stable conformer and draw the...
6. Draw the two chair conformations for cis-1-sec-butyl-2-ethylcyclohexane. Predict the most stable conformer and draw the corresponding Newman projection (4 pts) 7. Convert the following compounds from their 3D structure to their Fisher projection and vice-versa (4 pts) НО Br HO co₂me HN CI CO2Me НО -СІ НЕОН СН2ОН 5| Page 8. The specific rotation for (R)-methyl 2-chloro-2,3-dihydroxypropanoate is -126.7. A student prepare a sample of methyl 2-chloro-2,3-dihydroxypropanoate enantiomers that shows a specific rotation of +89.6, (a) Calculate the percent...
1. Draw all the possible chair conformations for these molecules and indicate the more stable one...
1. Draw all the possible chair conformations for these molecules and indicate the more stable one Me, OH "Me Me Me Me Mel Me
3) a) Draw the Fischer projection of the following sugars and label them D or L....
3) a) Draw the Fischer projection of the following sugars and
label them D or L. HO
b) Draw the most stable chair conformation of the b-anomer of the
hemiacetal of the following
aldohexose:
3) a) Draw the Fischer projection of the following sugars and label them Dor L. НО. H CHO он НО H он Н. ОН НО. CHO ли нон н он b) Draw the most stable chair conformation of the B-anomer of the hemiacetal of the following...
7. Draw the two chair conformations for menthol, clearly labeling axial and equatorial substituents. Are the...
7. Draw the two chair conformations for menthol, clearly labeling axial and equatorial substituents. Are the two chairs identical in energy? Explain (2+2+1+1 points) 'OH menthol
19. Glucosamine is a product of the fermentation of corn and is
shown below. Draw the Fischer projection of glucosamine:
20. Draw the most stable chair conformation of the D-idose, whose
Fisher projection is shown
below. Is it an a- or b-anomer?
19. Glucosamine is a product of the fermentation of corn and is shown below. Draw the Fischer projection of glucosamine: OH H ОН NH2 он 20. Draw the most stable chair conformation of the D-idose, whose Fisher projection...
3. a) Draw both chair conformations for the molecule shown
below. (2pts) b) Circle the most stable conformation above. Give a
brief explanation on why your choice is more stable. (2pts)
b) Circle the most stable conformation above. Give a brief
explanation on why your choice is more stable. (2pts)
3. a) Draw both chair conformations for the molecule shown below. (2pts) HO OH b) Circle the most stable conformation above. Give a brief explanation on why your choice is...
2. Please refer to the monosaccharides shown below to the following questione (i) CHOA City CH. OH CAO CH2014 SHO LO HOH o A- HOH Анон HAH Hotu Нон H OM 40+ CHOA HOH 4-104 HOH HO нон c, or (404 CH₂OH A. Sorbose B. Rhamnose C Erythrulose D. Xylulose E. Glucose ) Classify each sugar by type: ketoheptose, aldo butase etc. Sorbose Rhamnose Erythrulose Xylulose Glucose from the sugars above, choose the one(s) that fit each description below ii)...
18. Draw the product of the following Dieckmann cyclization: 1) NaOCH2CH3 CH3CH2OH 2) H30* 19. Glucosamine is a product of the fermentation of corn and is shown below. Draw the Fischer projection of glucosamine: OH H ОН NH2 OH 20. Draw the most stable chair conformation of the D-idose, whose Fisher projection is shown below. Is it an a-or B-anomer? CHO HO -H H- -OH HO Н H -OH CH2OH
7. (13 points) For the compound 1-tert-butyl-4-methylcyclohexane: a. Draw the two possible chair conformations for the cis isomer, Which conformation, if either, is more stable? Circle one b. Draw the two possible chair conformations for the cis isomer, Which conformation, if either, is more stable? Circle one trans: C. Between the two more stable isomers circled above, which is more stable? Why?
Select all possible 2-ketopentoses. x Incorrect. D-forms: CH, OH H- OH HO- H CH, OH CH,OH HOEH HOH CH OH CH,OH O H- OH H- OH CH, OH CH, OH 0= HO+H H- OH CH,OH X Incorrect. L-forms: CH,OH HOH НЕОН CH, OH CH, OH O= НЕОН HOH CH OH CH, OH HOH HOH CH, OH CH, OH O= HOH HOH CH, OH
6. Draw the two chair conformations for cis-1-sec-butyl-2-ethylcyclohexane. Predict the most stable conformer and draw the corresponding Newman projection (4 pts) 7. Convert the following compounds from their 3D structure to their Fisher projection and vice-versa (4 pts) НО Br HO co₂me HN CI CO2Me НО -СІ НЕОН СН2ОН 5| Page 8. The specific rotation for (R)-methyl 2-chloro-2,3-dihydroxypropanoate is -126.7. A student prepare a sample of methyl 2-chloro-2,3-dihydroxypropanoate enantiomers that shows a specific rotation of +89.6, (a) Calculate the percent...
1. Draw all the possible chair conformations for these molecules and indicate the more stable one Me, OH "Me Me Me Me Mel Me
3) a) Draw the Fischer projection of the following sugars and
label them D or L. HO
b) Draw the most stable chair conformation of the b-anomer of the
hemiacetal of the following
aldohexose:
3) a) Draw the Fischer projection of the following sugars and label them Dor L. НО. H CHO он НО H он Н. ОН НО. CHO ли нон н он b) Draw the most stable chair conformation of the B-anomer of the hemiacetal of the following...
7. Draw the two chair conformations for menthol, clearly labeling axial and equatorial substituents. Are the two chairs identical in energy? Explain (2+2+1+1 points) 'OH menthol
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