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18. Assign the absolute configuration of the two stereocenters in stereoisomer of 2-bromo-3-pentanol shown below. Br...
What is the correct R/S configuration for each of the three stereocenters in the molecule below...
What is the correct R/S configuration for each of the three
stereocenters in the molecule below
Choose the best term that best describes the relationship
between this pair of molecules
1) What is the correct R/S configuration for each of the three stereocenters in the molecule below (1 mark) CH3 -ОН Н- -ОН Н- -OH Н- CH2CH3 a) 2R, 3S, 4R b) 2R, 3R, 4S c) 2S, 3R, 4R d) 2S, 3S, 4R е) 28, 3R, 4S 2) Choose the...
What are the absolute configurations of the indicated stereoisomer of 2-bromo-3-methylpentane? What are the absolu...
What are the absolute configurations of the indicated
stereoisomer of 2-bromo-3-methylpentane?
What are the absolute configurations of the indicated
stereoisomer of 2-bromo-3-methylpentane?
(2S,3R)
(2S,3S)
(2R,3S)
(2R,3R)
Indicate the stereochemical configuration for the tetrahedral centers shown below. OR OS not a configuration center...
Indicate the stereochemical configuration for the tetrahedral centers shown below. OR OS not a configuration center Br R OS not a configuration center ООО Select the proper IUPAC name for the following compound, including the (R) or (S) designation where appropriate. Н. - (2R,3S)-2-chloro-3-methylpentane (29,3R)-2-chloro-3-methylpentane (2R 3R)-2-chloro-3-methylpentane O (2S,3S)-2-chloro-3-methylpentane Classify the following pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. Also, select the correct IUPAC name, including the correct (R) or (S) designation, for...
is numbers 14, 18, 19, 20 correct ? 14. Which of the following is the correct...
is numbers 14, 18, 19, 20 correct
? 14. Which of the following is the correct IUPAC name of the following structure? (1 pt) CII vihisto a. (2S,3S)-2,3-dicholoropentane b. (25,3R)-2,3-dicholoropentane C (2R,35)-2,3-dicholoropentane d. (2R,3R)-2,3-dicholoropentane 18. What is the relationship of the following two structures? (1 pt) OH OH I ANH A NH NH a Enantiomers b. Diastereomers C. Constitutional isomers d. Identical ? 19. What is the relationship of the following two structures? (1 pt) OH OVO но он но...
7) How many enantiomers are there of the molecule are there of the molecule shown bole...
7) How many enantiomers are there of the molecule are there of the molecule shown bole CO2H 1 1 OH 1 CH2OH A) B)1 C)2 D) 3 E) 6 8) What term describes the structural relationship between (2R 3R.45)-2.3.4-trichloroheptane and (2S,3S,4R)-2,3,4-trichloroheptane? A) not isomers B) constitutional isomers C) enantiomers D) diastereomers E) conformers 9) Label cach asymmetric carbon in the molecule below as having the Ror S configuration. A) 1R, 2R B) IR, 2S C) IS, 2R D) IS, 2S...
Which is the correct name for the compound shown below? H. O (2R,35)-2-Bromo-3-chlorobutane (25,3R)-2-Bromo-3-chlorobutane (2R, 3R)-2-Bromo-3-chlorobutane...
Which is the correct name for the compound shown below? H. O (2R,35)-2-Bromo-3-chlorobutane (25,3R)-2-Bromo-3-chlorobutane (2R, 3R)-2-Bromo-3-chlorobutane (2S,3S)-2-Bromo-3-chlorobutane Which compound is achiral? O meso-2,5-Difluorohexane O trans-1,2-Dimethylcyclohexane O (S)-3-lodohexane (2R, 3R)-2,3-Dibromoheptane 1
4. Absolute Configuration and R/S Sequence Rules. In 3 you constructed models with two stereocenters that...
4. Absolute Configuration and R/S Sequence Rules. In 3 you constructed models with two stereocenters that represented 4 stereoisomers. 2,3-Dibromobutanoic acid exemplifies such a compound, Make models for the isomers of this compound. a. Draw solid/dashed-wedge structures for the 4 possible stereoisomers and label the enantiomers and diastereomers. b. Specify the sequence priority for the substituents on carbon-2 and carbon-3. Label each structure with the proper R/S notation in the drawings above, for example (2R, 35). d. Draw Newman projections...
Which of the following structures is most stable? 2) How many stereoisomers does the molecule below...
Which of the following structures is most stable? 2) How many stereoisomers does the molecule below have? (СН), С+ снен снаси сна OH CH₃ br. a) 3 6) 4 c) 6 d) 8 e 9 3) Which of the following molecules below are chiral? 0) to A Boh A MOH HOS DBr e) 1, 2 and 3 a) Only 1 b) 1 and 3 c) 2 and 3 d) 1 and 3 What is the relationship between the following two...
7. 3) What term describes the structural relationship between (2R, 3R, 4S) - 2, 3 trichloroheptane?...
7. 3) What term describes the structural relationship between
(2R, 3R, 4S) - 2, 3 trichloroheptane? - trichloroheplane and (25,
3S, 5R) - 2, 3, 5
, 6. 2) What term describes the structural relationship between cr-1.2-dimethylcyclopentaneand dimethyleyelopentane? A) not isomers B) constitutional isomers C) enantiomers D) diastereomers E) conformers 7. 3) What term describes the structural relationship between (2R 3R.45)-23 A-trichloroheptane and (25,35,5R)-2.3.5- trichloroheptane? A) not isomers N B) constitutional isomers C) enantiomers D) diastereomers _E) conformers 8. 7)...
1. Which of the following is an aldohexose? 2. Which of the following is a cetopentose? 3. Which of the following best d...
1.
Which of the following is an aldohexose?
2. Which of the following is a cetopentose?
3. Which of the following best describes the relationship
between D-glucose and D-fructose?
4. Which of the following is (are) L-alfohexose(s)?
5. Which of the following aldohexose(s) is (are)
dextrorotatory?
6. How many stereoisomers are possible for L-galactose? Draw
or look for its structure.
7. Which of the following conpounds is a pair of
enantiomers?
8. Draw the fisher projection for L-sedoheptulose and also...
What is the correct R/S configuration for each of the three
stereocenters in the molecule below
Choose the best term that best describes the relationship
between this pair of molecules
1) What is the correct R/S configuration for each of the three stereocenters in the molecule below (1 mark) CH3 -ОН Н- -ОН Н- -OH Н- CH2CH3 a) 2R, 3S, 4R b) 2R, 3R, 4S c) 2S, 3R, 4R d) 2S, 3S, 4R е) 28, 3R, 4S 2) Choose the...
What are the absolute configurations of the indicated
stereoisomer of 2-bromo-3-methylpentane?
What are the absolute configurations of the indicated
stereoisomer of 2-bromo-3-methylpentane?
(2S,3R)
(2S,3S)
(2R,3S)
(2R,3R)
Indicate the stereochemical configuration for the tetrahedral centers shown below. OR OS not a configuration center Br R OS not a configuration center ООО Select the proper IUPAC name for the following compound, including the (R) or (S) designation where appropriate. Н. - (2R,3S)-2-chloro-3-methylpentane (29,3R)-2-chloro-3-methylpentane (2R 3R)-2-chloro-3-methylpentane O (2S,3S)-2-chloro-3-methylpentane Classify the following pair of compounds as the same compound, enantiomers, diastereomers, constitutional isomers, or not isomeric. Also, select the correct IUPAC name, including the correct (R) or (S) designation, for...
is numbers 14, 18, 19, 20 correct
? 14. Which of the following is the correct IUPAC name of the following structure? (1 pt) CII vihisto a. (2S,3S)-2,3-dicholoropentane b. (25,3R)-2,3-dicholoropentane C (2R,35)-2,3-dicholoropentane d. (2R,3R)-2,3-dicholoropentane 18. What is the relationship of the following two structures? (1 pt) OH OH I ANH A NH NH a Enantiomers b. Diastereomers C. Constitutional isomers d. Identical ? 19. What is the relationship of the following two structures? (1 pt) OH OVO но он но...
7) How many enantiomers are there of the molecule are there of the molecule shown bole CO2H 1 1 OH 1 CH2OH A) B)1 C)2 D) 3 E) 6 8) What term describes the structural relationship between (2R 3R.45)-2.3.4-trichloroheptane and (2S,3S,4R)-2,3,4-trichloroheptane? A) not isomers B) constitutional isomers C) enantiomers D) diastereomers E) conformers 9) Label cach asymmetric carbon in the molecule below as having the Ror S configuration. A) 1R, 2R B) IR, 2S C) IS, 2R D) IS, 2S...
Which is the correct name for the compound shown below? H. O (2R,35)-2-Bromo-3-chlorobutane (25,3R)-2-Bromo-3-chlorobutane (2R, 3R)-2-Bromo-3-chlorobutane (2S,3S)-2-Bromo-3-chlorobutane Which compound is achiral? O meso-2,5-Difluorohexane O trans-1,2-Dimethylcyclohexane O (S)-3-lodohexane (2R, 3R)-2,3-Dibromoheptane 1
4. Absolute Configuration and R/S Sequence Rules. In 3 you constructed models with two stereocenters that represented 4 stereoisomers. 2,3-Dibromobutanoic acid exemplifies such a compound, Make models for the isomers of this compound. a. Draw solid/dashed-wedge structures for the 4 possible stereoisomers and label the enantiomers and diastereomers. b. Specify the sequence priority for the substituents on carbon-2 and carbon-3. Label each structure with the proper R/S notation in the drawings above, for example (2R, 35). d. Draw Newman projections...
Which of the following structures is most stable? 2) How many stereoisomers does the molecule below have? (СН), С+ снен снаси сна OH CH₃ br. a) 3 6) 4 c) 6 d) 8 e 9 3) Which of the following molecules below are chiral? 0) to A Boh A MOH HOS DBr e) 1, 2 and 3 a) Only 1 b) 1 and 3 c) 2 and 3 d) 1 and 3 What is the relationship between the following two...
7. 3) What term describes the structural relationship between
(2R, 3R, 4S) - 2, 3 trichloroheptane? - trichloroheplane and (25,
3S, 5R) - 2, 3, 5
, 6. 2) What term describes the structural relationship between cr-1.2-dimethylcyclopentaneand dimethyleyelopentane? A) not isomers B) constitutional isomers C) enantiomers D) diastereomers E) conformers 7. 3) What term describes the structural relationship between (2R 3R.45)-23 A-trichloroheptane and (25,35,5R)-2.3.5- trichloroheptane? A) not isomers N B) constitutional isomers C) enantiomers D) diastereomers _E) conformers 8. 7)...
1.
Which of the following is an aldohexose?
2. Which of the following is a cetopentose?
3. Which of the following best describes the relationship
between D-glucose and D-fructose?
4. Which of the following is (are) L-alfohexose(s)?
5. Which of the following aldohexose(s) is (are)
dextrorotatory?
6. How many stereoisomers are possible for L-galactose? Draw
or look for its structure.
7. Which of the following conpounds is a pair of
enantiomers?
8. Draw the fisher projection for L-sedoheptulose and also...
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