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18. Draw the product of the following Dieckmann cyclization: 1) NaOCH2CH3 CH3CH2OH 2) H30* 19. Glucosamine...
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 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...
please help 3. Please draw the structures for the major product(s) from each of the following...
please help
3. Please draw the structures for the major product(s) from each of the following reactions and include stereochemistry where appropriate. (2 pts for each) (a) O2N NH2 NO2 (b) NAOCH3 OCH3 CHон (c) pyridine -NH2 + S-Cl (d) HOH CHO Br2 HO H Нао H OH H-OH CH2OH (e) Hао* Ph H (f) N2HA H (hint: cyclization)
3. Please draw the structures for the major product(s) from each of the following reactions and include stereochemistry where appropriate. (2...
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)...
22. Convert the following Fisher projection into a Haworth projection. Draw only the alpha anomer (12...
22. Convert the following Fisher projection into a Haworth
projection. Draw only the alpha anomer (12 points)
21. Are the following pairs of carbohydrates the same, completely different, constitutional isomers or stereoisomers? (12 points at 3 points each) CHO CHO CHO сњон он OH он он CH2OH он он он он он но он но но он он CH2OH CH2OH он CHO CHO CHO сњон он он он он он но он но но Ho но он но он OH...
What is the major organic product obtained from the following reaction? 1. NaOCH2CH3 | CH3CH2OH 3....
What is the major organic product obtained from the following reaction? 1. NaOCH2CH3 | CH3CH2OH 3. HO* ا OCCO duo What is the major organic product obtained from the following sequence of reactions? 1. NaOCH2CH3 CH3CH2OH 1. NaOH, HẠO CH3CH2O7 OCH2CH3 Br 2. H3O* 3.A 3 3. H30* OH OOOO wood بر با نرا نه
Culhydrates 1. Complete th Complete the table by classifying each sugar sugar (A, B, C, D)...
Culhydrates 1. Complete th Complete the table by classifying each sugar sugar (A, B, C, D) below based on carbonyl group and number of carbons (c.8. aldohexose, ketotriose, etc.). Classify them as an antiomer. Indicate the number of chiral carbons for each sugar. Sugar Classification based on carbonyl group and number of carbons Lor D enantiomer Number of chiral carbons н-с-он HO-6-H. н-с-он ін,он CH,OH C=0 HO-C-H н-с-он HO-C-H. ён,он снон c=0 | HO-C-H ін,он H-C-OH CH, OH CD 2....
1. Give a sequence of reactions to accomplish the following transformation? Show mechanism 2. What reagent(s)...
1. Give a sequence of reactions to accomplish the following transformation? Show mechanism 2. What reagent(s) would accomplish the following? Show mechanism. R-CH2-NH2 R-C-NH2 3. What would result from the reactions shown below? Hsco-s-OCH3 large excess) NaOH нон H,0 но ОН "ОН (a and B) 4. Predict the major product of the following reaction. CHNNH 3 equivalents) но CHCH2OH Heat он CH2OH Draw the Haworth projection for chair conformation of a-D-Glucopyranose (shown below) CH2OH HO H OH OH
7:52 PM Wed Jul 29 61% TOD 2. Reactions: (24 pts). Draw the structure of the...
7:52 PM Wed Jul 29 61% TOD 2. Reactions: (24 pts). Draw the structure of the expected organic product(s) formed in the following reactions including correct stereochemistry. If the product is racemic write both isomers or write racemic. Assume all reagents listed are present in excess unless otherwise noted. If no reaction occurs, state 'No Reaction'. 1) NaOCH2CH3, CH2CH2OH G) OCH CH3 2) (CH3)2CHCH2CH,Br 3) H2SO4, H, O, heat H) HIO4 CH,OH O H-OH H-OH CHOH O 1) CH2CH2CHO, NH3,...
Predict the product for the following reaction sequence. H30+ 1. NaOCH2CH3 2. CH3CH2CH21 A HO HO...
Predict the product for the following reaction sequence. H30+ 1. NaOCH2CH3 2. CH3CH2CH21 A HO HO = OH IV
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 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...
please help
3. Please draw the structures for the major product(s) from each of the following reactions and include stereochemistry where appropriate. (2 pts for each) (a) O2N NH2 NO2 (b) NAOCH3 OCH3 CHон (c) pyridine -NH2 + S-Cl (d) HOH CHO Br2 HO H Нао H OH H-OH CH2OH (e) Hао* Ph H (f) N2HA H (hint: cyclization)
3. Please draw the structures for the major product(s) from each of the following reactions and include stereochemistry where appropriate. (2...
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)...
22. Convert the following Fisher projection into a Haworth
projection. Draw only the alpha anomer (12 points)
21. Are the following pairs of carbohydrates the same, completely different, constitutional isomers or stereoisomers? (12 points at 3 points each) CHO CHO CHO сњон он OH он он CH2OH он он он он он но он но но он он CH2OH CH2OH он CHO CHO CHO сњон он он он он он но он но но Ho но он но он OH...
What is the major organic product obtained from the following reaction? 1. NaOCH2CH3 | CH3CH2OH 3. HO* ا OCCO duo What is the major organic product obtained from the following sequence of reactions? 1. NaOCH2CH3 CH3CH2OH 1. NaOH, HẠO CH3CH2O7 OCH2CH3 Br 2. H3O* 3.A 3 3. H30* OH OOOO wood بر با نرا نه
Culhydrates 1. Complete th Complete the table by classifying each sugar sugar (A, B, C, D) below based on carbonyl group and number of carbons (c.8. aldohexose, ketotriose, etc.). Classify them as an antiomer. Indicate the number of chiral carbons for each sugar. Sugar Classification based on carbonyl group and number of carbons Lor D enantiomer Number of chiral carbons н-с-он HO-6-H. н-с-он ін,он CH,OH C=0 HO-C-H н-с-он HO-C-H. ён,он снон c=0 | HO-C-H ін,он H-C-OH CH, OH CD 2....
1. Give a sequence of reactions to accomplish the following transformation? Show mechanism 2. What reagent(s) would accomplish the following? Show mechanism. R-CH2-NH2 R-C-NH2 3. What would result from the reactions shown below? Hsco-s-OCH3 large excess) NaOH нон H,0 но ОН "ОН (a and B) 4. Predict the major product of the following reaction. CHNNH 3 equivalents) но CHCH2OH Heat он CH2OH Draw the Haworth projection for chair conformation of a-D-Glucopyranose (shown below) CH2OH HO H OH OH
7:52 PM Wed Jul 29 61% TOD 2. Reactions: (24 pts). Draw the structure of the expected organic product(s) formed in the following reactions including correct stereochemistry. If the product is racemic write both isomers or write racemic. Assume all reagents listed are present in excess unless otherwise noted. If no reaction occurs, state 'No Reaction'. 1) NaOCH2CH3, CH2CH2OH G) OCH CH3 2) (CH3)2CHCH2CH,Br 3) H2SO4, H, O, heat H) HIO4 CH,OH O H-OH H-OH CHOH O 1) CH2CH2CHO, NH3,...
Predict the product for the following reaction sequence. H30+ 1. NaOCH2CH3 2. CH3CH2CH21 A HO HO = OH IV
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