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18.16 What is the product of the reaction of 2-bromoethane with potassium tert-butoxide? Why is it...
1. (1R, 2R)-1-bromo-1,2-dimethylcyclohexane is heated in the presence of potassium tert-butoxide (KO-tert-Bu). Name mino...
1. (1R, 2R)-1-bromo-1,2-dimethylcyclohexane is heated in the presence of potassium tert-butoxide (KO-tert-Bu). Name minor product/s only 2. 2-iodo-1,1,2,3,3-pentamethylcyclohexane is heated in the presence of sodium ethoxide in ethanol, don’t name the product/s of the reaction 3. ,2,2-trimethylcyclohexan-1-ol is heated in aqueous sulfuric acid 4. (3S)-2-methyl-3-pentanol is heated in aqueous sulfuric acid
When 1-bromobutane reacts with sodium tert-butoxide (the conjugate base of tert-butyl alcohol) the major product is...
When 1-bromobutane reacts with sodium tert-butoxide (the conjugate base of tert-butyl alcohol) the major product is the elimination. Is this E1 or E2? Show the product Based on the information given in the problem, what was the key factor that changed the changed the major product from substitution to elimination?
Malonic ester (diethyl malonate) is treated successively with sodium ethoxide (1 eq.), ethyl bromide, potassium tert-butoxide,...
Malonic ester (diethyl malonate) is treated successively with sodium ethoxide (1 eq.), ethyl bromide, potassium tert-butoxide, isobutyl chloride, hot aqueous NaOH HCI, and heat. What is the final product? 6-Methylheptanoic acid • 2-Ethyl-3-methylpentanoic acid HE Ethylisobutylmalonic acid 4-Ethyl-2-methylpentanoic acid 2 Ethyl-4-methylpentanoic acid
Consider the three alkoxide bases: methoxide, ethoxide, and tert-butoxide. In what way is the reactivity of...
Consider the three alkoxide bases: methoxide, ethoxide, and
tert-butoxide. In what way is the reactivity of tert-butoxide
different from the others in elimination reactions?
Consider the three alkoxide bases: methoxide, ethoxide, and tert-butoxide. In what way is the reactivity of tert-butoxide different from the others in elimination reactions? methoxide ethoxide tert-butoxide o tert-butoxide is a much stronger base than the others and so only performs o tert-butoxide is a much weaker base than the others and so doesn't perform E1...
Draw a mechanism (with arrow pushing) of the reaction of 1-Bromohexane with Potassium Tert-butoxide forming their...
Draw a mechanism (with arrow pushing) of the reaction of 1-Bromohexane with Potassium Tert-butoxide forming their elimination product Thanks
Question 28 1 pts Imagine that a scientist mixes bromoethane and sodium tert-butoxide in 2-methyl-2-propanol. What...
Question 28 1 pts Imagine that a scientist mixes bromoethane and sodium tert-butoxide in 2-methyl-2-propanol. What type of reaction is likely to predominate? Remember to consider the type of alkyl halide that is involved, and remember also to consider whether the anion will act predominantly as a base or as a nucleophile or as both a base and a nucleophile. If the latter, consider the figure below to guide your decision. Finally, remember to consider the Apka rule, as it...
1) Give the product for the reaction of 1-butene with methanol in the presence of acid....
1)
Give the product for the reaction of 1-butene with methanol in
the presence of acid. The mechanism is the same as the mechanism
for the addition of water to alkenes.
2-ethoxybutane
1-butanol
2-methoxybutane
1-ethoxybutane
1-methoxybutane
2)
3)
Identify the best nucleophile in an SN2 reaction.
tert-butoxide ion
tert-pentoxide ion
isopropoxide ion
ethoxide ion
4)
Identify the alkyl halide that reacts the fastest in an
SN1 reaction.
2-bromopropane
2-chloropropane
2-iodopropane
2-fluoropropane
What is the major product of the following reaction?...
Question 9 10 pts Predict the ether product of each reaction below. A) sodium (S)-2-butoxide +...
Question 9 10 pts Predict the ether product of each reaction below. A) sodium (S)-2-butoxide + iodoethane B) sodium (R)-2-butoxide + iodoethane C) sodium ethoxide + (S)-2-iodobutane D) sodium ethoxide + (R)-2-iodobutane [Choose] [Choose ] [Choose] [Choose
need help with part c and d L euly butane 2-chloro-2-methylbutane 2-chloro-3-methylbutane 2-chlorobutane c) Draw a...
need help with part c and d
L euly butane 2-chloro-2-methylbutane 2-chloro-3-methylbutane 2-chlorobutane c) Draw a curved-arrow mechanism for the following reaction: - H2O Hạº, d) Label the following reactions as S1, S2, E1, E2, addition, or acid/base (2 pts, cach). i. Bromoethane becomes ethanol upon treatment with hydroxide ion. ii. 1-Methyl-1-cyclohexanol reacts with acid in water to form l-methylcyclohexene. iii. Propyne becomes propane in the presence of hydrogen and metal catalyst. iv. I-iodopropane reacts with potassium tert-butoxide. SN e)...
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)...
When 1-bromobutane reacts with sodium tert-butoxide (the conjugate base of tert-butyl alcohol) the major product is the elimination. Is this E1 or E2? Show the product Based on the information given in the problem, what was the key factor that changed the changed the major product from substitution to elimination?
Malonic ester (diethyl malonate) is treated successively with sodium ethoxide (1 eq.), ethyl bromide, potassium tert-butoxide, isobutyl chloride, hot aqueous NaOH HCI, and heat. What is the final product? 6-Methylheptanoic acid • 2-Ethyl-3-methylpentanoic acid HE Ethylisobutylmalonic acid 4-Ethyl-2-methylpentanoic acid 2 Ethyl-4-methylpentanoic acid
Consider the three alkoxide bases: methoxide, ethoxide, and
tert-butoxide. In what way is the reactivity of tert-butoxide
different from the others in elimination reactions?
Consider the three alkoxide bases: methoxide, ethoxide, and tert-butoxide. In what way is the reactivity of tert-butoxide different from the others in elimination reactions? methoxide ethoxide tert-butoxide o tert-butoxide is a much stronger base than the others and so only performs o tert-butoxide is a much weaker base than the others and so doesn't perform E1...
Question 28 1 pts Imagine that a scientist mixes bromoethane and sodium tert-butoxide in 2-methyl-2-propanol. What type of reaction is likely to predominate? Remember to consider the type of alkyl halide that is involved, and remember also to consider whether the anion will act predominantly as a base or as a nucleophile or as both a base and a nucleophile. If the latter, consider the figure below to guide your decision. Finally, remember to consider the Apka rule, as it...
1)
Give the product for the reaction of 1-butene with methanol in
the presence of acid. The mechanism is the same as the mechanism
for the addition of water to alkenes.
2-ethoxybutane
1-butanol
2-methoxybutane
1-ethoxybutane
1-methoxybutane
2)
3)
Identify the best nucleophile in an SN2 reaction.
tert-butoxide ion
tert-pentoxide ion
isopropoxide ion
ethoxide ion
4)
Identify the alkyl halide that reacts the fastest in an
SN1 reaction.
2-bromopropane
2-chloropropane
2-iodopropane
2-fluoropropane
What is the major product of the following reaction?...
Question 9 10 pts Predict the ether product of each reaction below. A) sodium (S)-2-butoxide + iodoethane B) sodium (R)-2-butoxide + iodoethane C) sodium ethoxide + (S)-2-iodobutane D) sodium ethoxide + (R)-2-iodobutane [Choose] [Choose ] [Choose] [Choose
need help with part c and d
L euly butane 2-chloro-2-methylbutane 2-chloro-3-methylbutane 2-chlorobutane c) Draw a curved-arrow mechanism for the following reaction: - H2O Hạº, d) Label the following reactions as S1, S2, E1, E2, addition, or acid/base (2 pts, cach). i. Bromoethane becomes ethanol upon treatment with hydroxide ion. ii. 1-Methyl-1-cyclohexanol reacts with acid in water to form l-methylcyclohexene. iii. Propyne becomes propane in the presence of hydrogen and metal catalyst. iv. I-iodopropane reacts with potassium tert-butoxide. SN e)...
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)...
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