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1 is good leaving group tarbcoot iou attall bu ncl Predict which of the compounds should...
21. Which of the following is NOT considered a good leaving group? в се AOH CHOH...
21. Which of the following is NOT considered a good leaving group? в се AOH CHOH 22 are less stable, thus more reactive in a polar aprotic solvent. Polar aprotic Potential energy Protic Reaction coordinate A. Anions/Nucleophiles B. Cations/Electrophiles/Alkyl halides
please answer these questions 1: Which of the following is true for the reaction of (1R,...
please answer these questions 1: Which of the following is true for the reaction of (1R, 2R)-1-tert-butyl-1-fluoro-2-methylcyclohexane with potassium hydroxide? a: The product is (E)(6R)-1-tert-butyl-6-methyl-1-cyclohexene b: The product is (Z)(6R)-1-tert-butyl-6-methyl-1-cyclohexene c: The product is (Z)(6S)-1-tert-butyl-6-methyl-1-cyclohexene d: The product is (E)(6S)-1-tert-butyl-6-methyl-1-cyclohexene 2: Which of the following is not true for regioselective reactions? a: Generally, the selectivity lies to toward the Saytzeff product in elimination reactions. b: In a regioselective reaction, there is one product that predominates. c: The transition states of...
4. When 1-iodo-1-methylcyclohexane is treated with sodium ethoxide, the more highly substituted alkene product predominates. Alternatively,...
4. When 1-iodo-1-methylcyclohexane is treated with sodium ethoxide, the more highly substituted alkene product predominates. Alternatively, when potassium tert-butoxide is used as a base, the less substitute alkene predominates. Give the structures of the two bases, and the two products and explain the difference in regioselectivity. 5. Draw the diastereomer of the compound shown below. Explain which chair conformation one will react faster in the presence of a strong base to give a substituted cyclohexene. (Draw the chair structure of...
The alcohol could easily be converted to a tosylate, a good leaving group, and a conventional...
The alcohol could easily be converted to a tosylate, a good
leaving group, and a conventional substitution reaction could have
been performed instead of the nucleophilic aromatic substitution
(NAS) reaction. Why was the NAS reaction the preferred method?
(Hint : Look up the nucleophiles of both reactions on chemical
manufacturing site.)
Part A: Synthesis of (t)-N,N-dimethyl-3-phenyl-3-(4- trifluoromethylphenoxy)propanamine 1. To the 250-mL round-bottom flask (RBF) containing (t)-3-(dimethylamino)-1-phenylpropanol (product from Lab 6) and a magnetic stir bar, add 4 mL of 4-...
1. Which of the compounds below is expected to undergo Sg2 reaction to the highest degree?...
1. Which of the compounds below is expected to undergo Sg2 reaction to the highest degree? ~ a 2! The following substrate was subjected to a series of nucleophilic reactions. Which of the reagents below would be expected to progress climination reaction to the highest degree? elimination a) H.O b) Toso c) CH,COO d) HO el I Which of the following solvents should be correctly called aprotic solvent? M. a) aqua b) DMHA c) DMA d) MAC c) McОН The...
14. Which of the following reagents should be used to prepare tert-butyl ethyl ether a) tert-butyl...
14. Which of the following reagents should be used to prepare tert-butyl ethyl ether a) tert-butyl bromide and sodium ethoxide b) tert-butyl alcohol and ethyl bromide c) tert-butyl alcohol and ethanol d) potassium tert-butoxide and ethyl bromide 15. What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4 16. What product is formed when methyloxirane is treated with ethylmannesium bromide followed by treatment with aqueous acid? A) 1-pentanol B) 2-pentanol C)...
The alcohol could easily be converted to a tosylate, a good leaving group, and a conventional sub...
The alcohol could easily be converted to a tosylate, a good
leaving group, and a conventional substitution reaction could have
been performed instead of the nucleophilic aromatic substitution
(NAS) reaction. Why was the NAS reaction the preferred method?
(Hint : Look up the nucleophiles of both reactions on chemical
manufacturing site.)
Part A: Synthesis of (t)-N,N-dimethyl-3-phenyl-3-(4- trifluoromethylphenoxy)propanamine 1. To the 250-mL round-bottom flask (RBF) containing (t)-3-(dimethylamino)-1-phenylpropanol (product from Lab 6) and a magnetic stir bar, add 4 mL of 4-...
indicate which reaction will occur faster. explain your reasoning. reaction of 1 chlorobutane with sodium iodide...
indicate which reaction will occur faster. explain
your reasoning. reaction of 1 chlorobutane with sodium iodide or
sodium p toluenesulfonate in aqueous ethanol.
Indicate which reaction will occur faster. Explain your reasoning. Select the single best answer Reaction of 1-chlorobutane with sodium iodide or sodium p-toluenesulfonate in aqueous ethanol Sodium iodide will react faster because the leaving group encounters less sterle hindrance. Sodium iodide will react faster because the intermediate is more stabilized in the solvent. Sodium p-toluenesulfonate will react...
x 5. (4 pts) Predict which of the following substrates would undergo El more rapidly. ....
x 5. (4 pts) Predict which of the following substrates would undergo El more rapidly. . Explain your choice. 1 more rapidly year we 6. KOH (4 pts) The following Sw2 reaction yields a product with the given empirical formula. Suggest a structure for this compound and briefly show how it formed: OH mpound anderen hoe he will come to CH 120 KOH CHO MS s 2 seco 6. KOH (4 pts) The following Sw2 reaction yields a product with...
Send help! Super confused and very stressed. 1. Which of the following compounds is the least...
Send help! Super confused and very stressed.
1. Which of the following compounds is the least acidic? 2. Which of the following compounds is the most acidic? ;D ;D ;D ;D ; 3. Which of the following would undergo hydrolysis fastest with sodium hydroxide ? 4. Which of the following is the least electrophilic? o ļļ ļ 5. What is the major product of the following reaction sequence? PO DIBALTH; then H,0* 6. Which of the following will be the...
21. Which of the following is NOT considered a good leaving group? в се AOH CHOH 22 are less stable, thus more reactive in a polar aprotic solvent. Polar aprotic Potential energy Protic Reaction coordinate A. Anions/Nucleophiles B. Cations/Electrophiles/Alkyl halides
4. When 1-iodo-1-methylcyclohexane is treated with sodium ethoxide, the more highly substituted alkene product predominates. Alternatively, when potassium tert-butoxide is used as a base, the less substitute alkene predominates. Give the structures of the two bases, and the two products and explain the difference in regioselectivity. 5. Draw the diastereomer of the compound shown below. Explain which chair conformation one will react faster in the presence of a strong base to give a substituted cyclohexene. (Draw the chair structure of...
The alcohol could easily be converted to a tosylate, a good
leaving group, and a conventional substitution reaction could have
been performed instead of the nucleophilic aromatic substitution
(NAS) reaction. Why was the NAS reaction the preferred method?
(Hint : Look up the nucleophiles of both reactions on chemical
manufacturing site.)
Part A: Synthesis of (t)-N,N-dimethyl-3-phenyl-3-(4- trifluoromethylphenoxy)propanamine 1. To the 250-mL round-bottom flask (RBF) containing (t)-3-(dimethylamino)-1-phenylpropanol (product from Lab 6) and a magnetic stir bar, add 4 mL of 4-...
1. Which of the compounds below is expected to undergo Sg2 reaction to the highest degree? ~ a 2! The following substrate was subjected to a series of nucleophilic reactions. Which of the reagents below would be expected to progress climination reaction to the highest degree? elimination a) H.O b) Toso c) CH,COO d) HO el I Which of the following solvents should be correctly called aprotic solvent? M. a) aqua b) DMHA c) DMA d) MAC c) McОН The...
14. Which of the following reagents should be used to prepare tert-butyl ethyl ether a) tert-butyl bromide and sodium ethoxide b) tert-butyl alcohol and ethyl bromide c) tert-butyl alcohol and ethanol d) potassium tert-butoxide and ethyl bromide 15. What is the major organic product obtained from the following reaction? A) 1 B) 2 C) 3 D) 4 16. What product is formed when methyloxirane is treated with ethylmannesium bromide followed by treatment with aqueous acid? A) 1-pentanol B) 2-pentanol C)...
The alcohol could easily be converted to a tosylate, a good
leaving group, and a conventional substitution reaction could have
been performed instead of the nucleophilic aromatic substitution
(NAS) reaction. Why was the NAS reaction the preferred method?
(Hint : Look up the nucleophiles of both reactions on chemical
manufacturing site.)
Part A: Synthesis of (t)-N,N-dimethyl-3-phenyl-3-(4- trifluoromethylphenoxy)propanamine 1. To the 250-mL round-bottom flask (RBF) containing (t)-3-(dimethylamino)-1-phenylpropanol (product from Lab 6) and a magnetic stir bar, add 4 mL of 4-...
indicate which reaction will occur faster. explain
your reasoning. reaction of 1 chlorobutane with sodium iodide or
sodium p toluenesulfonate in aqueous ethanol.
Indicate which reaction will occur faster. Explain your reasoning. Select the single best answer Reaction of 1-chlorobutane with sodium iodide or sodium p-toluenesulfonate in aqueous ethanol Sodium iodide will react faster because the leaving group encounters less sterle hindrance. Sodium iodide will react faster because the intermediate is more stabilized in the solvent. Sodium p-toluenesulfonate will react...
x 5. (4 pts) Predict which of the following substrates would undergo El more rapidly. . Explain your choice. 1 more rapidly year we 6. KOH (4 pts) The following Sw2 reaction yields a product with the given empirical formula. Suggest a structure for this compound and briefly show how it formed: OH mpound anderen hoe he will come to CH 120 KOH CHO MS s 2 seco 6. KOH (4 pts) The following Sw2 reaction yields a product with...
Send help! Super confused and very stressed.
1. Which of the following compounds is the least acidic? 2. Which of the following compounds is the most acidic? ;D ;D ;D ;D ; 3. Which of the following would undergo hydrolysis fastest with sodium hydroxide ? 4. Which of the following is the least electrophilic? o ļļ ļ 5. What is the major product of the following reaction sequence? PO DIBALTH; then H,0* 6. Which of the following will be the...
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After watching the lectures I am still having a hard time
understanding these equations.
1. The...
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Testing:
H0:μ=56.9
H1:μ<56.9
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