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KOH in methanol Q2d & Q2e Q2c Molecular formula C7H12 i) What type of reaction is...
a. Compound 6 reacts with hydrogen bromide as shown in reaction (4) i. Draw the structures...
a. Compound 6 reacts with hydrogen bromide as shown in reaction (4) i. Draw the structures of the potential products which may be formed in this reaction (ignore any stereochemical isomers). (4 marks) ii. Using curly arrows, draw a mechanism for the formation of each of the potential products. ldentify the major product. Explain briefly why the major product you identified is favoured. (11 marks)
19. What would be the major product(s) of the following reaction? Br EtOH 20 °C OEt IV C) I and I...
19. What would be the major product(s) of the following reaction? Br EtOH 20 °C OEt IV C) I and III A) I and II D) IV B) II and III E) None of these choices. 20. Give a detailed reaction mechanism for the reaction expected to occur when 2-bromo- methylpentane is heated with methanol. Draw clear structural formulas of all relevant species and use curved arrows to represent electron flow. Also indicate which step is likely to be rate-...
42. What is the type of reaction that takes place when the below aldehyde reacts with...
42. What is the type of reaction that takes place when the below aldehyde reacts with Benedict's solution? Draw the product. (4 marks) H 43. Identify from propane and ethanamide which has the higher melting point. Explain. (4 marks) 44. Draw the product of the Base hydrolysis of the given ester. (3 marks) + H3C- -CH3 KOH
For ii I got rs and Sr stereochemistry. For iii I got racemate. For Iv, I think there's 4 stereo ...
For ii I got rs and Sr stereochemistry. For iii I got
racemate. For Iv, I think there's 4 stereo isomers? I'm not
sure.
QUESTION 1 15 marks] e structures (no mechanism required) of the TWO (2) stereoisomeric oxiranes formed from the epoxidation reaction of (E)-2-butene with meta-chloroperoxybenzoic acid l mark] (i) Assign R or S stereochemistry to the stereogenic carbons in each of the oxirane products. I1 mark] chch yfat muf l mark] (iv) Indicate and explain the expected...
1. Predict the products of the following reactions (18 points, 3 each) Catalytic KOH methanol/water solvent...
1. Predict the products of the following reactions (18 points, 3 each) Catalytic KOH methanol/water solvent Catalytic KOH methanol/water solvent Catalytic KOH methanol water solvent Catalye KOH. 1 equivalent NaOCH.CH ethanol solvent I equivalent NaOCH.CH ethanol solvent 2. Write the product of the following reaction and the full mechanism by which it is formed. Clearly show which steps are reversible and which one step is irreversible. (8 points). 1 equivalent NaOCH CH3 cthanol solvent + excess 3. Circle the most...
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?...
17. Whatis the mgjor and minor product for the following reaction? Does the major product follow...
17. Whatis the mgjor and minor product for the following reaction? Does the major product follow Zaitsef's Rule, Hoffmans's Rule or neither? Explain. (5 pts) EtOH, EtONa heat Br 18. What will be the major product of the following reaction? Be sure to draw the intermediate formed if any and to draw and name the product. (Spts) 85% H3P04 heat OH 19. What is the major product formed when tert-butyl chloride is reacted with methanol? (4 pts) Type of mechanism?...
2. Draw a structure with the molecular formula C7H10 that has exactly two rings. 4. Give...
2. Draw a structure with the molecular formula C7H10 that has
exactly two rings.
4. Give IUPAC names for the following structures
(a,b,c,d)
CHEM1014 Homework for Chapter 11 Due Friday, March 20, beginning of class There is not enough room to write the answers on this sheet. Use other sheets of paper for your answers. 1. Draw a structure with the molecular formula C,H, that has exactly one ring. Show all atoms and all bonds 2. Draw a structure with...
Question 3. Predict the major products of the reactions below. Draw the full mechanism for the...
Question 3. Predict the major products of the reactions below. Draw the full mechanism for the reactions, using appropriate arrows to indicate electron movement and the full structures of any intermediate(s). Use the mechanism of the reaction to provide a rationale for why the major product formed. OM (1 equivalent) ansole Bry Febr (1 culle brambenzone Fer (1 equivalent Priloromethylbenzene (9 marks) Question 4. Predict the major product from the treatment of 2,5-dibromopyridine with ammonia. Draw the full mechanism for...
Predict the major product for the following reaction. A carboxylic acid with molecular formula C_5 H_19...
Predict the major product for the following reaction. A carboxylic acid with molecular formula C_5 H_19 O_2 is treated with thionyl chloride to give compound A. Compound A has only one signal in its^1HNMR spectrum. Draw the structure of the product that is formed when compound A is treated with excess ammonia. Provide the reagents necessary to carry out the following conversion.
a. Compound 6 reacts with hydrogen bromide as shown in reaction (4) i. Draw the structures of the potential products which may be formed in this reaction (ignore any stereochemical isomers). (4 marks) ii. Using curly arrows, draw a mechanism for the formation of each of the potential products. ldentify the major product. Explain briefly why the major product you identified is favoured. (11 marks)
19. What would be the major product(s) of the following reaction? Br EtOH 20 °C OEt IV C) I and III A) I and II D) IV B) II and III E) None of these choices. 20. Give a detailed reaction mechanism for the reaction expected to occur when 2-bromo- methylpentane is heated with methanol. Draw clear structural formulas of all relevant species and use curved arrows to represent electron flow. Also indicate which step is likely to be rate-...
42. What is the type of reaction that takes place when the below aldehyde reacts with Benedict's solution? Draw the product. (4 marks) H 43. Identify from propane and ethanamide which has the higher melting point. Explain. (4 marks) 44. Draw the product of the Base hydrolysis of the given ester. (3 marks) + H3C- -CH3 KOH
For ii I got rs and Sr stereochemistry. For iii I got
racemate. For Iv, I think there's 4 stereo isomers? I'm not
sure.
QUESTION 1 15 marks] e structures (no mechanism required) of the TWO (2) stereoisomeric oxiranes formed from the epoxidation reaction of (E)-2-butene with meta-chloroperoxybenzoic acid l mark] (i) Assign R or S stereochemistry to the stereogenic carbons in each of the oxirane products. I1 mark] chch yfat muf l mark] (iv) Indicate and explain the expected...
1. Predict the products of the following reactions (18 points, 3 each) Catalytic KOH methanol/water solvent Catalytic KOH methanol/water solvent Catalytic KOH methanol water solvent Catalye KOH. 1 equivalent NaOCH.CH ethanol solvent I equivalent NaOCH.CH ethanol solvent 2. Write the product of the following reaction and the full mechanism by which it is formed. Clearly show which steps are reversible and which one step is irreversible. (8 points). 1 equivalent NaOCH CH3 cthanol solvent + excess 3. Circle the most...
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?...
17. Whatis the mgjor and minor product for the following reaction? Does the major product follow Zaitsef's Rule, Hoffmans's Rule or neither? Explain. (5 pts) EtOH, EtONa heat Br 18. What will be the major product of the following reaction? Be sure to draw the intermediate formed if any and to draw and name the product. (Spts) 85% H3P04 heat OH 19. What is the major product formed when tert-butyl chloride is reacted with methanol? (4 pts) Type of mechanism?...
2. Draw a structure with the molecular formula C7H10 that has
exactly two rings.
4. Give IUPAC names for the following structures
(a,b,c,d)
CHEM1014 Homework for Chapter 11 Due Friday, March 20, beginning of class There is not enough room to write the answers on this sheet. Use other sheets of paper for your answers. 1. Draw a structure with the molecular formula C,H, that has exactly one ring. Show all atoms and all bonds 2. Draw a structure with...
Question 3. Predict the major products of the reactions below. Draw the full mechanism for the reactions, using appropriate arrows to indicate electron movement and the full structures of any intermediate(s). Use the mechanism of the reaction to provide a rationale for why the major product formed. OM (1 equivalent) ansole Bry Febr (1 culle brambenzone Fer (1 equivalent Priloromethylbenzene (9 marks) Question 4. Predict the major product from the treatment of 2,5-dibromopyridine with ammonia. Draw the full mechanism for...
Predict the major product for the following reaction. A carboxylic acid with molecular formula C_5 H_19 O_2 is treated with thionyl chloride to give compound A. Compound A has only one signal in its^1HNMR spectrum. Draw the structure of the product that is formed when compound A is treated with excess ammonia. Provide the reagents necessary to carry out the following conversion.
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