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When 1-bromobutane reacts with sodium tert-butoxide (the conjugate base of tert-butyl alcohol) the major product is...
7. Shown below are the major product formed and the proposed mechanism when 1- methylcyclohexanol reacts...
7. Shown below are the major product formed and the proposed mechanism when 1- methylcyclohexanol reacts with 85% H3PO4 at 150 °C. Name all curved arrows shown in each step as either "lone pair to bond" or "bond to long pair". Specify the atom that donates/accepts the lone pair. [1 Mark] Step 1 -H O ro-H + Ho + H2O H H Commons Kagamo Step 2 + H2O Step 3 = + H,PO. H HAPO Zaitsev product 6. Given below...
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)...
1.1 In which of the following solvents would the reaction of 1-bromobutane with sodium azide,NaN3, proceed...
1.1 In which of the following solvents would the reaction of
1-bromobutane with sodium azide,NaN3, proceed the fastest?
a.aceticacid
b.ethanol
c.water
d.acetonitrile
1.2 Which of the following solvents is the best choice for the
reaction of 1-chlorohexane with sodium bromide?
a.dimethylsulfoxide
b.water
c.hexane
d.toluene,PhCH3
1.3 Which of the following is most likely to undergo
rearrangement during reaction with methanol?
1.4 Name which energy diagrams represents the course of an
exothermic SN1, SN2,E1, or E2 reaction?
1.5 Which of the following...
2. When sodium methoxide is added to 2-bromopentane the main elimination product is 2-pentene, but when...
2. When sodium methoxide is added to 2-bromopentane the main elimination product is 2-pentene, but when sodium methoxide added to 2-fluoropentane the main elimination product is 1-pentene. Explain the observed difference in selectivity between these two reactions Br NaOMe MeOH MeOH 3. When the trans-diastereomer of the compound shown below is allowed to react with tert-butoxide the only observed elimination product is 3-methylcyclohexene, but when the cis-diastereomer is eliminated a mixture of 1-methylcyclohexene and 3-methylcyclohexene is observed (- methylcyclohexene is...
What are the mechanisms and major/minor products when 2-Chloro-2-Methylbutane reacts with A.) Potassium Hydroxide in 1-propanol+Heat...
What are the mechanisms and major/minor products when 2-Chloro-2-Methylbutane reacts with A.) Potassium Hydroxide in 1-propanol+Heat B.)Potassium tert-butoxide in tertbutyl alcohol+heat I know they proceed via E2 reaction mechanism but need help figuring out the steps and the major and minor products. Also if you could offer a brief explanation of why the mechanism reacts the way it does I would really appreciate it. Thank you!
1. Predict the major products formed when benzene reacts with the following reagents. (a). tert-butyl bromide,...
1. Predict the major products formed when benzene reacts with the following reagents. (a). tert-butyl bromide, ALCl3 (b) bromine + a nail (c) iodine + HNO3 (d) carbon monoxide, HCl, and AlCl3/CuCl (e) nitric acid + sulfuric acid. 2. Predict the major products of the following reactions. (a.) nitrobenzene + ethyl chloride/AlCl3 (b). p-methylanisole + acetyl chloride + AlCl3 (c). nitrobenzene + fuming sulfuric acid (d) benzene + CH3CH2COCl in the presence of (1) ALCl3 followed by...
6. The procedure for this lab when actually done specifies refluxing the alkyl halide with the...
6. The procedure for this lab when actually done specifies refluxing the alkyl halide with the alkoxide base in dry alcohol as the solvent. a. What substance should be missing from a dry reagent? b. Write a reaction equation, using structures, for the reaction that would occur between the substance you mentioned in part a and tert-butoxide and label the acid, base, conjugate acid, and conjugate base in the reaction. c. How would the presence of the conjugate base formed...
1. [10 pts] Consider the elimination reaction for the following alkyl halide with sodium methoxide in...
1. [10 pts] Consider the elimination reaction for the following alkyl halide with sodium methoxide in methanol (Na* OCH, CH,OH). CH NaOme MeOH CH Compound A Problem 2c Draw the major expected organic product (a) Redraw Compound A as seen in Viewpoint I below left as a Newman projection on the template provided in Problem 2a (below). Hint: Fill in missing Hs ar C2 and C3 to help you get started! (b) Rotate the C2 C3 bond to obtain the...
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an...
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an ___that is generated through an __mechanism. A) ether, Sw1 B) ether, SN2 C) ether, E1 D) alkene, E2 E) alkene, E1 2) Which compound produces only one alkene when treated with sodium methoxide? A) 2-chloro-2-methylpentane B) 3-chloro-3-ethylpentane C) 3-chloro-2-methylpentane D) 2-chloro-4-methylpentane E) 2-chloro-3-ethylpentane 3) What is the difference between Hoffmann and Zaitsev? When is Hoffmann favored?
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an...
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an ___ that is generated through an ____mechanism. A) ether, SN1 B) ether, Sn2 C) ether, E1 D) alkene, E2 E) alkene, E1 2) Which compound produces only one alkene when treated with sodium methoxide? A) 2-chloro-2-methylpentane B) 3-chloro-3-ethylpentane C) 3-chloro-2-methylpentane D) 2-chloro-4-methylpentane E) 2-chloro-3-ethylpentane 3) What is the difference between Hoffmann and Zaitsev? When is Hoffmann favored?
7. Shown below are the major product formed and the proposed mechanism when 1- methylcyclohexanol reacts with 85% H3PO4 at 150 °C. Name all curved arrows shown in each step as either "lone pair to bond" or "bond to long pair". Specify the atom that donates/accepts the lone pair. [1 Mark] Step 1 -H O ro-H + Ho + H2O H H Commons Kagamo Step 2 + H2O Step 3 = + H,PO. H HAPO Zaitsev product 6. Given below...
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)...
1.1 In which of the following solvents would the reaction of
1-bromobutane with sodium azide,NaN3, proceed the fastest?
a.aceticacid
b.ethanol
c.water
d.acetonitrile
1.2 Which of the following solvents is the best choice for the
reaction of 1-chlorohexane with sodium bromide?
a.dimethylsulfoxide
b.water
c.hexane
d.toluene,PhCH3
1.3 Which of the following is most likely to undergo
rearrangement during reaction with methanol?
1.4 Name which energy diagrams represents the course of an
exothermic SN1, SN2,E1, or E2 reaction?
1.5 Which of the following...
2. When sodium methoxide is added to 2-bromopentane the main elimination product is 2-pentene, but when sodium methoxide added to 2-fluoropentane the main elimination product is 1-pentene. Explain the observed difference in selectivity between these two reactions Br NaOMe MeOH MeOH 3. When the trans-diastereomer of the compound shown below is allowed to react with tert-butoxide the only observed elimination product is 3-methylcyclohexene, but when the cis-diastereomer is eliminated a mixture of 1-methylcyclohexene and 3-methylcyclohexene is observed (- methylcyclohexene is...
6. The procedure for this lab when actually done specifies refluxing the alkyl halide with the alkoxide base in dry alcohol as the solvent. a. What substance should be missing from a dry reagent? b. Write a reaction equation, using structures, for the reaction that would occur between the substance you mentioned in part a and tert-butoxide and label the acid, base, conjugate acid, and conjugate base in the reaction. c. How would the presence of the conjugate base formed...
1. [10 pts] Consider the elimination reaction for the following alkyl halide with sodium methoxide in methanol (Na* OCH, CH,OH). CH NaOme MeOH CH Compound A Problem 2c Draw the major expected organic product (a) Redraw Compound A as seen in Viewpoint I below left as a Newman projection on the template provided in Problem 2a (below). Hint: Fill in missing Hs ar C2 and C3 to help you get started! (b) Rotate the C2 C3 bond to obtain the...
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an ___that is generated through an __mechanism. A) ether, Sw1 B) ether, SN2 C) ether, E1 D) alkene, E2 E) alkene, E1 2) Which compound produces only one alkene when treated with sodium methoxide? A) 2-chloro-2-methylpentane B) 3-chloro-3-ethylpentane C) 3-chloro-2-methylpentane D) 2-chloro-4-methylpentane E) 2-chloro-3-ethylpentane 3) What is the difference between Hoffmann and Zaitsev? When is Hoffmann favored?
1) When 3-iodo-3-ethylpentane is treated with sodium methoxide in methanol, the major organic product is an ___ that is generated through an ____mechanism. A) ether, SN1 B) ether, Sn2 C) ether, E1 D) alkene, E2 E) alkene, E1 2) Which compound produces only one alkene when treated with sodium methoxide? A) 2-chloro-2-methylpentane B) 3-chloro-3-ethylpentane C) 3-chloro-2-methylpentane D) 2-chloro-4-methylpentane E) 2-chloro-3-ethylpentane 3) What is the difference between Hoffmann and Zaitsev? When is Hoffmann favored?
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