13a. Draw the electron pushing using arrows for 2-Bromo-2-methylbutane reacting with methanol. Consider both substitution and...
13a. Draw the electron pushing using arrows for 2-Bromo-2-methylbutane reacting with methanol. Consider both substitution and elimination mechanisms. Show the structure of products.
13b. Does cis- or trans- bromo-4-tert-butylcyclohexane react faster in an E2 reaction? Explain.
Homework Answers
2-Bromo-2-methylbutane undergoes SN1 and E2 reactions in methanol solvent.
cis- bromo-4-tert-butylcyclohexane reacts
faster in an E2 reaction because it contains Br atom at axial
position which makes the substrate unstable.
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13a. Draw the electron pushing using arrows for
2-Bromo-2-methylbutane reacting with methanol. Consider both
substitution and...
5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b)...
5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b) 2-bromo-2-methylpropane + LIN(CH(CH,),), in THF. c) 2-Chloro-1-ethanol + potassium tert-butoxide (KO'Bu). d) Cis-2-methyl-1-chlorocyclohexane + methanol. e) Potassium tert-butoxide (KO'Bu) and methyl iodide in THF. f) Draw a detailed curved arrow pushing mechanism for reaction 5d above. Draw the reactants cis-2- methyl-1-chlorocyclohexane + methanol, and show each and every electron flow that converts them into the major products.
5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b)...
5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b) 2-bromo-2-methylpropane + LiN(CH(CH3)2), in THF. c) 2-Chloro-1-ethanol + potassium tert-butoxide (KO-Bu). d) Cis-2-methyl-1-chlorocyclohexane + methanol. e) Potassium tert-butoxide (KO-Bu) and methyl iodide in THF. f) Draw a detailed curved arrow pushing mechanism for reaction 5d above. Draw the reactants cis-2- methyl-1-chlorocyclohexane + methanol, and show each and every electron flow that converts them into the major products.
Organobromine compounds are used in fire retardants, fumigants, and biocides. 2-bromo-3-methylbutane reacts with Substitution Product Elimination...
Organobromine compounds are used in fire retardants, fumigants, and biocides. 2-bromo-3-methylbutane reacts with Substitution Product Elimination Product Br a. Identify the alkyl bromide as 1°, 2°, or 3° b. Identify the nucleophile as strong or weak and big or small. c. Draw the structures of the substitution and elimination products. Use curved arrows to show how the elimination products form. d. Which product is major product? Give reasons. e. If C2HsOH is used instead of C2HsO, will the same major...
2-Bromo-2-methylbutane undergoes an E1 elimination reaction in the presence of ethanol. In the next reaction only one o...
2-Bromo-2-methylbutane undergoes an E1 elimination reaction in
the presence of ethanol. In the next reaction only one of the
possible products is represented. Although the product shown is not
the major product of the reaction, notice that there is more than
one way it can be produced. Complete the mechanism and draw the
missing substances.
Draw all missing reactants and/or products in the appropriate
boxes by placing atoms on the grid and connecting them with bonds,
including charges where needed....
explain the mechanism in words c Draw the full electron-pushing mechanism (using proper electron-pushing arrows, intermediates,...
explain the mechanism in words
c Draw the full electron-pushing mechanism (using proper electron-pushing arrows, intermediates, and structures) for the synthesis of phenolphthalein from phenol and phthalic anhydride. It's an electrophilic aromatic substitution reaction!
c Draw the full electron-pushing mechanism (using proper electron-pushing arrows, intermediates, and structures) for the synthesis of phenolphthalein from phenol and phthalic anhydride. It's an electrophilic aromatic substitution reaction!
2. When (1R, 2R)-1-bromo-2-methylcyclohexane reacts with lithium methoxide in methanol, both substitution and elimination reactions occur...
2. When (1R, 2R)-1-bromo-2-methylcyclohexane reacts with lithium methoxide in methanol, both substitution and elimination reactions occur to produce three unique products. What are the structures of the three products produced by this reaction? sepenbare CHOLE сно CH3 3. When (R)-3-mesyl-3-ethyloctane reacts with potassium hydroxide in aqueous THF elimination occurs to produce three unique alkene products. What are the structures of the three products produced by this reaction? MsOCH.CH HOK THF/H20 4. When (S)-2-fluoro-2-iodobutane reacts with hydroxide ion in aqueous THF,...
5. Explain how the following changes will influence the rate of the reaction of 2-bromo-2- methylbutane...
5. Explain how the following changes will influence the rate of the reaction of 2-bromo-2- methylbutane with methanol: a. The alkyl halide is changed to 2-chloro-2-methylbutane b. The alkyl halide is changed to 2-chloro-3-methylbutane 6. What product(s) do you predict for the following reactions? Be specific with regard to stereochemistry. Also, indicate which stereoisomer will be more predominant. a. R-2-bromopentane + CH30 b. R-3-bromo-3-metylheptane + CH3OH C. 1-bromo-2-butene + CH30 d. 1-bromo-2-butene + CH3OH e. E2 reaction of 2-bromobutane f....
Complete the curved arrow electron-pushing mechanism of the following E2 elimination of 3-bromopentane and draw the...
Complete the curved arrow electron-pushing mechanism of the following E2 elimination of 3-bromopentane and draw the structure of the organic product formed. Use three curved arrows to show the conversion to the product. Draw the organic product of the E2 elimination of the 2-bromopentane.
Complete the curved arrow electron-pushing mechanism or the following E2 elimination of 3-bromopentane and draw the...
Complete the curved arrow electron-pushing mechanism or the following E2 elimination of 3-bromopentane and draw the structure of the organic product formed. Use three curved arrows to show the conversion to the product. Draw the organic product of the E2 elimination of the 2-bromoperitane.
draw a detailed curved arrow pushing mechanism for Cis-2-Methyl-1-Chlorocyclohexane +Methanol. Draw the reactants cis-2-methyl-1-chlorocyclohexane + Methanol,...
draw a detailed curved arrow pushing mechanism for Cis-2-Methyl-1-Chlorocyclohexane +Methanol. Draw the reactants cis-2-methyl-1-chlorocyclohexane + Methanol, and show each and every electron flow that converts them into the major products.
5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b) 2-bromo-2-methylpropane + LIN(CH(CH,),), in THF. c) 2-Chloro-1-ethanol + potassium tert-butoxide (KO'Bu). d) Cis-2-methyl-1-chlorocyclohexane + methanol. e) Potassium tert-butoxide (KO'Bu) and methyl iodide in THF. f) Draw a detailed curved arrow pushing mechanism for reaction 5d above. Draw the reactants cis-2- methyl-1-chlorocyclohexane + methanol, and show each and every electron flow that converts them into the major products.
5. Draw the major products of the following reactions: a) (S)-2-Iodopentane + KCN in methanol. b) 2-bromo-2-methylpropane + LiN(CH(CH3)2), in THF. c) 2-Chloro-1-ethanol + potassium tert-butoxide (KO-Bu). d) Cis-2-methyl-1-chlorocyclohexane + methanol. e) Potassium tert-butoxide (KO-Bu) and methyl iodide in THF. f) Draw a detailed curved arrow pushing mechanism for reaction 5d above. Draw the reactants cis-2- methyl-1-chlorocyclohexane + methanol, and show each and every electron flow that converts them into the major products.
Organobromine compounds are used in fire retardants, fumigants, and biocides. 2-bromo-3-methylbutane reacts with Substitution Product Elimination Product Br a. Identify the alkyl bromide as 1°, 2°, or 3° b. Identify the nucleophile as strong or weak and big or small. c. Draw the structures of the substitution and elimination products. Use curved arrows to show how the elimination products form. d. Which product is major product? Give reasons. e. If C2HsOH is used instead of C2HsO, will the same major...
2-Bromo-2-methylbutane undergoes an E1 elimination reaction in
the presence of ethanol. In the next reaction only one of the
possible products is represented. Although the product shown is not
the major product of the reaction, notice that there is more than
one way it can be produced. Complete the mechanism and draw the
missing substances.
Draw all missing reactants and/or products in the appropriate
boxes by placing atoms on the grid and connecting them with bonds,
including charges where needed....
explain the mechanism in words
c Draw the full electron-pushing mechanism (using proper electron-pushing arrows, intermediates, and structures) for the synthesis of phenolphthalein from phenol and phthalic anhydride. It's an electrophilic aromatic substitution reaction!
c Draw the full electron-pushing mechanism (using proper electron-pushing arrows, intermediates, and structures) for the synthesis of phenolphthalein from phenol and phthalic anhydride. It's an electrophilic aromatic substitution reaction!
2. When (1R, 2R)-1-bromo-2-methylcyclohexane reacts with lithium methoxide in methanol, both substitution and elimination reactions occur to produce three unique products. What are the structures of the three products produced by this reaction? sepenbare CHOLE сно CH3 3. When (R)-3-mesyl-3-ethyloctane reacts with potassium hydroxide in aqueous THF elimination occurs to produce three unique alkene products. What are the structures of the three products produced by this reaction? MsOCH.CH HOK THF/H20 4. When (S)-2-fluoro-2-iodobutane reacts with hydroxide ion in aqueous THF,...
5. Explain how the following changes will influence the rate of the reaction of 2-bromo-2- methylbutane with methanol: a. The alkyl halide is changed to 2-chloro-2-methylbutane b. The alkyl halide is changed to 2-chloro-3-methylbutane 6. What product(s) do you predict for the following reactions? Be specific with regard to stereochemistry. Also, indicate which stereoisomer will be more predominant. a. R-2-bromopentane + CH30 b. R-3-bromo-3-metylheptane + CH3OH C. 1-bromo-2-butene + CH30 d. 1-bromo-2-butene + CH3OH e. E2 reaction of 2-bromobutane f....
Complete the curved arrow electron-pushing mechanism of the following E2 elimination of 3-bromopentane and draw the structure of the organic product formed. Use three curved arrows to show the conversion to the product. Draw the organic product of the E2 elimination of the 2-bromopentane.
Complete the curved arrow electron-pushing mechanism or the following E2 elimination of 3-bromopentane and draw the structure of the organic product formed. Use three curved arrows to show the conversion to the product. Draw the organic product of the E2 elimination of the 2-bromoperitane.
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