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18. Which one of these...
11 Which compound will notexhibit optical activity? (Note that these are all Fischer projections) Explain the...
11 Which compound will notexhibit optical activity? (Note that these are all Fischer projections) Explain the logic behind your choice CH, CH, OH OH OH OH -CH HO HO HO HO -CH HO HO H OH сн, OH Which of the molecules below is in the (R) configuration according to the Cahn-Ingold-Prelog 12. convention? CH2B H H3C CH2CI CH2CI 2 H CH2Br CH28 CH2B Нзс CH2F H3C CH2CI CHzBr HIIK
11 Which compound will notexhibit optical activity? (Note that these...
please explain, tell me, and show me how and why the answer is D? 9. What...
please explain, tell me, and show me how and why the answer is
D?
9. What are the Cahn-Ingold-Prelog configurations at C(2) and C(5) in Penicillin G? SCHE a) C(2) is R and C(5) is R c) C(2) is S and C(5) is LYCH N -2 CH3 1 2H b) C(2) is R and C(5) is S d) C(2) is S and C(5) is R COH Penicillin G O
please solve all the questions 5. Label the chiral carbon(s) in each of the following structures...
please solve all the questions
5. Label the chiral carbon(s) in each of the following structures with an asterisk (*). H OHH OH H-C-C=C – H | H H OH 6. Use your knowledge of the Cahn-Ingold-Prelog sequence rules to rank the substituents in order of priority, highest priority first: HO HO The alcohol The chlorine The ethyl group The carboxylic acid group 7. Identify the following as chiral or achiral. If chiral, identify the chiral carbon(s) with an asterik...
Using the Cahn-Ingold-Prelog system, what are the configurations about the two chiral centers in the carbohydrate,...
Using the Cahn-Ingold-Prelog system, what are the configurations about the two chiral centers in the carbohydrate, Threose shown below? HC (1) HO H (2) H ОН CH OH Threose a. C(1) - R and C(2) - S b. C(1) = Z and C(2) - Z cC(1) = R and C(2) - R d. C(1) = E and C(2) = E e. C(1) = E and C(2) = Z of. C(1) = S and C(2) - S 8.C(1) = Z and...
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C....
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C. R and R R and S S and S D. S and R 30 Give the configurations, reypectively, of the folowing two molecules H CH CHy A. B. C. R and R R and S Sand S D. S and R Which one of the following groups has the highest rank as assigned by the Cahn- Ingold-Prelog system for stereogenic (chiral) carbons?...
Identifying Stereochemical Relationships and Assigning Stereochemistry 1. Follow the instructions provided to indicate the relationship between...
Identifying Stereochemical Relationships and Assigning Stereochemistry 1. Follow the instructions provided to indicate the relationship between the structure in the box and those shown underneath. HECH CHE CH,CH a) Write "a" in the blank below each molecule that represents the enantiomer of the one in the box. b) Write "b" in the blank below each molecule that represents a diastereomer of the one in the box. c) Write "e" in the blank below each molecule that is the same as...
PLEASE HELP WITH THESE. THANK YOU How are the following two compounds related? CH CH3 HO...
PLEASE HELP WITH THESE. THANK
YOU
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The...
please answer in multiple choice format What is the relationship between these two 23. What is...
please answer in multiple choice format
What is the relationship between these two 23. What is the relationship between these two molecules? molecules? BH BH que a. identical b. enantiomers c. diastereomers d. constitutional isomers 19. Which statement is FALSE about chiral molecules? a. Their chiral Carbons are sp hybridized. b. They have an internal plane of symmetry. c. They are optically active. d. Chiral centers are bonded to four different groups. a. enantiomers b. diastereomers c. identical d. unrelated...
5. Which of the following structures is an isomer of the compound in the box? CHE...
5. Which of the following structures is an isomer of the compound in the box? CHE Chu-Chi-CH-CH-CH, A CH:CH-CH2 - CH2 B. CH, CH CH үн. CH-CH-CH-CHECK to the CH сна C. 8_5-8 CH-CH2CH сна D. CHECH-CH2-CH-CH3 1 CHE CHE 6. Determine the following pairs whether they are conformational isomers, structural (constitutional) isomers, optical isomers, geometric isomers, or not isomers. A. B. OH c. D. E F. H G. H. HO I J. K. L.
please answer all question and provide explanation or mechanism for each. thank you. 19. What is...
please answer all question and provide explanation or mechanism for
each. thank you.
19. What is the best choice of reagent(s) to perform the following transformation? OCHA a. CH,OH, H,SO b. CH:I, H2SO4 c. NaOCH d. CH,Li 20. What is the major organic product obtained from the following reaction of ethyl benzoate with the OH нс ск 1. 2 eq. CH3MOCI | Phocн,сн, 2. H,0* PhDcн, CH Ph CH P OHP OCH CHE a. b. 1 2 3 4 C....
11 Which compound will notexhibit optical activity? (Note that these are all Fischer projections) Explain the logic behind your choice CH, CH, OH OH OH OH -CH HO HO HO HO -CH HO HO H OH сн, OH Which of the molecules below is in the (R) configuration according to the Cahn-Ingold-Prelog 12. convention? CH2B H H3C CH2CI CH2CI 2 H CH2Br CH28 CH2B Нзс CH2F H3C CH2CI CHzBr HIIK
11 Which compound will notexhibit optical activity? (Note that these...
please explain, tell me, and show me how and why the answer is
D?
9. What are the Cahn-Ingold-Prelog configurations at C(2) and C(5) in Penicillin G? SCHE a) C(2) is R and C(5) is R c) C(2) is S and C(5) is LYCH N -2 CH3 1 2H b) C(2) is R and C(5) is S d) C(2) is S and C(5) is R COH Penicillin G O
please solve all the questions
5. Label the chiral carbon(s) in each of the following structures with an asterisk (*). H OHH OH H-C-C=C – H | H H OH 6. Use your knowledge of the Cahn-Ingold-Prelog sequence rules to rank the substituents in order of priority, highest priority first: HO HO The alcohol The chlorine The ethyl group The carboxylic acid group 7. Identify the following as chiral or achiral. If chiral, identify the chiral carbon(s) with an asterik...
Using the Cahn-Ingold-Prelog system, what are the configurations about the two chiral centers in the carbohydrate, Threose shown below? HC (1) HO H (2) H ОН CH OH Threose a. C(1) - R and C(2) - S b. C(1) = Z and C(2) - Z cC(1) = R and C(2) - R d. C(1) = E and C(2) = E e. C(1) = E and C(2) = Z of. C(1) = S and C(2) - S 8.C(1) = Z and...
29 Give the configurations, respectively, of the following two molecules. CH HO H and CI A. B. C. R and R R and S S and S D. S and R 30 Give the configurations, reypectively, of the folowing two molecules H CH CHy A. B. C. R and R R and S Sand S D. S and R Which one of the following groups has the highest rank as assigned by the Cahn- Ingold-Prelog system for stereogenic (chiral) carbons?...
Identifying Stereochemical Relationships and Assigning Stereochemistry 1. Follow the instructions provided to indicate the relationship between the structure in the box and those shown underneath. HECH CHE CH,CH a) Write "a" in the blank below each molecule that represents the enantiomer of the one in the box. b) Write "b" in the blank below each molecule that represents a diastereomer of the one in the box. c) Write "e" in the blank below each molecule that is the same as...
PLEASE HELP WITH THESE. THANK
YOU
How are the following two compounds related? CH CH3 HO -H HO -Н Given the following substitution reaction, what would the effect be of changing the solvent from CH3OH to (CH3)2S=0? H- OH H OH VS HO -H H -OH H -OH HO H + CH (CH2CH2-Br NaOH CH;(CH2), CH2-OH + NaBr CH OH CH2OH A. The reaction rate will increase. OB. There is no effect on the rate of the reaction, C. The...
please answer in multiple choice format
What is the relationship between these two 23. What is the relationship between these two molecules? molecules? BH BH que a. identical b. enantiomers c. diastereomers d. constitutional isomers 19. Which statement is FALSE about chiral molecules? a. Their chiral Carbons are sp hybridized. b. They have an internal plane of symmetry. c. They are optically active. d. Chiral centers are bonded to four different groups. a. enantiomers b. diastereomers c. identical d. unrelated...
5. Which of the following structures is an isomer of the compound in the box? CHE Chu-Chi-CH-CH-CH, A CH:CH-CH2 - CH2 B. CH, CH CH үн. CH-CH-CH-CHECK to the CH сна C. 8_5-8 CH-CH2CH сна D. CHECH-CH2-CH-CH3 1 CHE CHE 6. Determine the following pairs whether they are conformational isomers, structural (constitutional) isomers, optical isomers, geometric isomers, or not isomers. A. B. OH c. D. E F. H G. H. HO I J. K. L.
please answer all question and provide explanation or mechanism for
each. thank you.
19. What is the best choice of reagent(s) to perform the following transformation? OCHA a. CH,OH, H,SO b. CH:I, H2SO4 c. NaOCH d. CH,Li 20. What is the major organic product obtained from the following reaction of ethyl benzoate with the OH нс ск 1. 2 eq. CH3MOCI | Phocн,сн, 2. H,0* PhDcн, CH Ph CH P OHP OCH CHE a. b. 1 2 3 4 C....
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