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2. (3 pts) Consider the stereoisomers (A-E) drawn below. CHO CHO CHOCHO HCB BCHCOH HOCH HOCNH,...
CHO H- Chemistry 421 Homework #9 Fall 14 Select the most corres How many stereoisomers of...
CHO H- Chemistry 421 Homework #9 Fall 14 Select the most corres How many stereoisomers of beta-D-glucopyranose exist (including itselt)? a. 4 b. 8 c. 16 d. 32 e. too many to consider cero Consider the following Fischer projections and answer the questions: CHO CHO CHO II -OH -ОН HOH H- OH HIO - -OH HO H -H HO H H- H -OH HO- -Η HO- OH н -он Н -он H- -ОН H- OH CHLOH CH OH Снон CHLOH...
7. Refer to Exhibit 5-3. The configuration of this carbon atom (E) 15 Exhibit 5-4 Consider...
7. Refer to Exhibit 5-3. The configuration of this carbon atom (E) 15 Exhibit 5-4 Consider the structure of streptimidone to answer the following question(s): OH OH нс н stopuklone ĄCH 8. Refer to Exhibit 5-4. Assign Ror Sconfiguration to each chirality center indicated in streptimidone. 9. Refer to Exhibit 5-4. Will streptimidone have a meso stereoisomer? Explain your answer. Exhibit 5-5 Label each pair of stereoisomers below as: a. enantiomers b. diastereomers c. identical Place the letter of the...
14. Consider some of the 16 different stereoisomers of the following sugar: CHO ÇHO сно CHO...
14. Consider some of the 16 different stereoisomers of the following sugar: CHO ÇHO сно CHO CHO H OH HOHH OHHO+ HH OH H-OH нон HO+H HOTH Антон H OH нон H +OHH OHHO+H H-OH H+OH Антон нон нтон снуон CH OH CHO CHOH CHOH D-allose D-aitrose D-glucose D-mannose D-gulose - 140 +33° +53 +14° -20° CHO HO+ HO+H HO+H HO- H CHOH L-allose CHO CHO сно CHO H+H HOH OH OH HO- H нон нон нонн HO+H Нонн нонн...
3. (4 pts) Complete the Fischer projection drawn below by adding the four substituents to the chiral carbon of (s)...
3. (4 pts) Complete the Fischer projection drawn below by adding the four substituents to the chiral carbon of (s)-2-methyl-3-bromo-hexane. 4. (4 pts) Draw a wedge and dash structure representing (1R 2R,3S)-1,2- dichloro3-ethylcyclohexane. 5. (4pts) 2-bromobutane is shown below. Is this (R)-2-bromobutane or (S)-2 bromobutane? 6. (6 pts) For each chiral carbon in ascorbic acid (vitamin C), shown below, assign Ror S to each stereocenter. How many stereoisomers of ascorbic acid are possible? OH HO ОН 7. (9 pts) (Are...
#m bu - CHO Which sugar shown in the figure above is the enantiomer of sugar...
#m bu - CHO Which sugar shown in the figure above is the enantiomer of sugar A? A) D B) C D) Band D E) none of the above 16: CHO - H--01 M-O-OH H-C-oh CH, OH CHO H-C-OH HO---# H-C-DH H-e-OH cho H-C-CH. HO-OH HO--- H-C-OH CH OH CH,OH cua HO-4-1 HC-ok M-e-OH CHOM CH,OH Which of the structures shown in the figure above is galactose? A) A C) C D) D E) None of the above 29.: Identify...
Assign R, S configurations to each indicated che e se A. OH! HO TTCH NH, merupp hale HOC / OH H HO HC COZH acid tar...
Assign R, S configurations to each indicated che e se A. OH! HO TTCH NH, merupp hale HOC / OH H HO HC COZH acid tarber CH, 1. The configuration of this carbon atom (A) is 2. The configuration of this carbon atom (B) is 3. The configuration of this carbon atom (E) is Consider the structure of streptimidone to answer the following question(s). OH OH strep timidone H3C H 4. Assign R or S configuration to each chirality center...
Solve 12-14 12. Consider the molecule shown below. OH OH f. How many stereoisomers are possible?...
Solve 12-14
12. Consider the molecule shown below. OH OH f. How many stereoisomers are possible? g. Draw each of these stereoisomers. h. Identify pairs of enantiomers and pairs of diastereomers. i. Build a model of the stereoisomer that has both OH groups pointing out. Also, build a model of the mirror image of this molecule. j. Do your two molecules represent enantiomers? Are they chiral? Fischer Projections 13. Build a model of 1-bromo-1-chloroethane. a. Draw a3D representation of this...
uTube Maps express-care-orine-. O COMID-19 New Tab V The Damage Nitpickin... Consider monosaccharides D, E, and...
uTube Maps express-care-orine-. O COMID-19 New Tab V The Damage Nitpickin... Consider monosaccharides D, E, and E. CHO CH2OH CHO H OH CEO HO H HE OH HO H HO -H H OH HO H H ОН CH2OH CH2OH CH2OH D E F a. Which two monosaccharides are stereoisomers? D and F E and F D and E as well as D and F O E and F D and E as well as E and F D and F...
4. (24pts) Consider the structure below then answers part (a)-(d) in the space below. (Point total...
4. (24pts) Consider the structure below then answers part (a)-(d) in the space below. (Point total for this question is max one can earn if all answers or responses below are complete and valid.) Br Y Br OH 0 (a) How many stereoisomers are possible for this compound? Show how this can be easily determined mathematically. (b) Draw all stereoisomers possible for this compound. Use dashes and wedges appropriately at each stereocenter. Do not show the hydrogen atoms at each...
4. (24pts) Consider the structure below then answers part (a)-(d) in the space below. (Point total...
4. (24pts) Consider the structure below then answers part (a)-(d) in the space below. (Point total for this question is max one can earn if all answers or responses below are complete and valid.) Br OH Y Br o (a) How many stereoisomers are possible for this compound? Show how this can be easily determined mathematically. (b) Draw all stereoisomers possible for this compound. Use dashes and wedges appropriately at each stereocenter. Do not show the hydrogen atoms at each...
CHO H- Chemistry 421 Homework #9 Fall 14 Select the most corres How many stereoisomers of beta-D-glucopyranose exist (including itselt)? a. 4 b. 8 c. 16 d. 32 e. too many to consider cero Consider the following Fischer projections and answer the questions: CHO CHO CHO II -OH -ОН HOH H- OH HIO - -OH HO H -H HO H H- H -OH HO- -Η HO- OH н -он Н -он H- -ОН H- OH CHLOH CH OH Снон CHLOH...
7. Refer to Exhibit 5-3. The configuration of this carbon atom (E) 15 Exhibit 5-4 Consider the structure of streptimidone to answer the following question(s): OH OH нс н stopuklone ĄCH 8. Refer to Exhibit 5-4. Assign Ror Sconfiguration to each chirality center indicated in streptimidone. 9. Refer to Exhibit 5-4. Will streptimidone have a meso stereoisomer? Explain your answer. Exhibit 5-5 Label each pair of stereoisomers below as: a. enantiomers b. diastereomers c. identical Place the letter of the...
14. Consider some of the 16 different stereoisomers of the following sugar: CHO ÇHO сно CHO CHO H OH HOHH OHHO+ HH OH H-OH нон HO+H HOTH Антон H OH нон H +OHH OHHO+H H-OH H+OH Антон нон нтон снуон CH OH CHO CHOH CHOH D-allose D-aitrose D-glucose D-mannose D-gulose - 140 +33° +53 +14° -20° CHO HO+ HO+H HO+H HO- H CHOH L-allose CHO CHO сно CHO H+H HOH OH OH HO- H нон нон нонн HO+H Нонн нонн...
3. (4 pts) Complete the Fischer projection drawn below by adding the four substituents to the chiral carbon of (s)-2-methyl-3-bromo-hexane. 4. (4 pts) Draw a wedge and dash structure representing (1R 2R,3S)-1,2- dichloro3-ethylcyclohexane. 5. (4pts) 2-bromobutane is shown below. Is this (R)-2-bromobutane or (S)-2 bromobutane? 6. (6 pts) For each chiral carbon in ascorbic acid (vitamin C), shown below, assign Ror S to each stereocenter. How many stereoisomers of ascorbic acid are possible? OH HO ОН 7. (9 pts) (Are...
#m bu - CHO Which sugar shown in the figure above is the enantiomer of sugar A? A) D B) C D) Band D E) none of the above 16: CHO - H--01 M-O-OH H-C-oh CH, OH CHO H-C-OH HO---# H-C-DH H-e-OH cho H-C-CH. HO-OH HO--- H-C-OH CH OH CH,OH cua HO-4-1 HC-ok M-e-OH CHOM CH,OH Which of the structures shown in the figure above is galactose? A) A C) C D) D E) None of the above 29.: Identify...
Assign R, S configurations to each indicated che e se A. OH! HO TTCH NH, merupp hale HOC / OH H HO HC COZH acid tarber CH, 1. The configuration of this carbon atom (A) is 2. The configuration of this carbon atom (B) is 3. The configuration of this carbon atom (E) is Consider the structure of streptimidone to answer the following question(s). OH OH strep timidone H3C H 4. Assign R or S configuration to each chirality center...
Solve 12-14
12. Consider the molecule shown below. OH OH f. How many stereoisomers are possible? g. Draw each of these stereoisomers. h. Identify pairs of enantiomers and pairs of diastereomers. i. Build a model of the stereoisomer that has both OH groups pointing out. Also, build a model of the mirror image of this molecule. j. Do your two molecules represent enantiomers? Are they chiral? Fischer Projections 13. Build a model of 1-bromo-1-chloroethane. a. Draw a3D representation of this...
uTube Maps express-care-orine-. O COMID-19 New Tab V The Damage Nitpickin... Consider monosaccharides D, E, and E. CHO CH2OH CHO H OH CEO HO H HE OH HO H HO -H H OH HO H H ОН CH2OH CH2OH CH2OH D E F a. Which two monosaccharides are stereoisomers? D and F E and F D and E as well as D and F O E and F D and E as well as E and F D and F...
4. (24pts) Consider the structure below then answers part (a)-(d) in the space below. (Point total for this question is max one can earn if all answers or responses below are complete and valid.) Br Y Br OH 0 (a) How many stereoisomers are possible for this compound? Show how this can be easily determined mathematically. (b) Draw all stereoisomers possible for this compound. Use dashes and wedges appropriately at each stereocenter. Do not show the hydrogen atoms at each...
4. (24pts) Consider the structure below then answers part (a)-(d) in the space below. (Point total for this question is max one can earn if all answers or responses below are complete and valid.) Br OH Y Br o (a) How many stereoisomers are possible for this compound? Show how this can be easily determined mathematically. (b) Draw all stereoisomers possible for this compound. Use dashes and wedges appropriately at each stereocenter. Do not show the hydrogen atoms at each...
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