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2. When sodium methoxide is added to 2-bromopentane the main elimination product is 2-pentene, but when...
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?
22. Draw the reaction including predicting the major organic product when 2-bromopentane is mixed with silver...
22. Draw the reaction including predicting the major organic product when 2-bromopentane is mixed with silver nitrate and ethanol (EtOH/NaNO,) (Condition A). Identify the reaction mechanism promoted by these conditions Circle s1 Su2 E1 E2 23. Draw the reaction including predicting the major organic product when 2-bromopentane odide(Nal) and acetone (Conditon is mixed with sodium ). Identify the reaction mechanism promoted by these conditions Circle S1 S2 E1 E2 24. Draw the reaction including predicting the major organic product when...
Identify the major product(s) in the reaction of (R)-2-bromopentane with sodium cyanide in DMSO. Please draw...
Identify the major product(s) in the reaction of
(R)-2-bromopentane with sodium cyanide in DMSO. Please draw the
correct answer choice with its stereochemistry.
6) Identify the major product(s) in the reaction of (R)-2-bromopentane with sodium cyanide in DMSO. Please draw the correct answer choice with its stereochemistry. A) B) C) D) (S)-2-cyanopentane racemic mixture of 2-cyanopentane (R)-2-cyanopentane trans-2-pentene
GC of sodium methoxide reaction products: A = 32745 A=15044 A = 9339 A=area GC of...
GC of sodium methoxide reaction products: A = 32745 A=15044 A = 9339 A=area GC of potassium tert-butoxide reaction products: A = 10318 14- 22359 B4 = 3478 Minutes (Span Lab Report Form: E2 Reaction of 2-Bromoheptane Before Lab complete the first two columns of the Results table below. drawing the alkene products in order of increasing boiling point (lowest boiling point at top of table). Provide structures and names in the first column Results Perform calculations for the relative...
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...
PROBLEM 7-24 1. Predict the elimination products of the following reactions. When two alkenes are possible,...
PROBLEM 7-24 1. Predict the elimination products of the following reactions. When two alkenes are possible, predict which one will be the major product. Explain your answers, showing the degree of substitution of each double bond in the products. 2. Which of these reactions are likely to produce both elimination and substitution products? (a) 2-bromopentane + NaOCHz (b) 3-bromo-3-methylpentane + NaOMe (Me = methyl, CH3) (C) 2-bromo-3-ethylpentane + NaOH
2. (16 points) In each of the following pairs of reactions elimination competes with substitution. Write...
2. (16 points) In each of the following pairs of reactions elimination competes with substitution. Write the starting material and all possible products of the reactions, don't write mechanistic part Write "elimination is favored" for reaction in which elimination products can be obtained in higher yield comparing to the yield of the elimination product/s in the second reaction. Provide the reason for such statement, reason is in reaction conditions. Supplementary session is on 10/31/19 between 5:30 PM an write an...
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?
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...
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?
22. Draw the reaction including predicting the major organic product when 2-bromopentane is mixed with silver nitrate and ethanol (EtOH/NaNO,) (Condition A). Identify the reaction mechanism promoted by these conditions Circle s1 Su2 E1 E2 23. Draw the reaction including predicting the major organic product when 2-bromopentane odide(Nal) and acetone (Conditon is mixed with sodium ). Identify the reaction mechanism promoted by these conditions Circle S1 S2 E1 E2 24. Draw the reaction including predicting the major organic product when...
Identify the major product(s) in the reaction of
(R)-2-bromopentane with sodium cyanide in DMSO. Please draw the
correct answer choice with its stereochemistry.
6) Identify the major product(s) in the reaction of (R)-2-bromopentane with sodium cyanide in DMSO. Please draw the correct answer choice with its stereochemistry. A) B) C) D) (S)-2-cyanopentane racemic mixture of 2-cyanopentane (R)-2-cyanopentane trans-2-pentene
GC of sodium methoxide reaction products: A = 32745 A=15044 A = 9339 A=area GC of potassium tert-butoxide reaction products: A = 10318 14- 22359 B4 = 3478 Minutes (Span Lab Report Form: E2 Reaction of 2-Bromoheptane Before Lab complete the first two columns of the Results table below. drawing the alkene products in order of increasing boiling point (lowest boiling point at top of table). Provide structures and names in the first column Results Perform calculations for the relative...
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...
PROBLEM 7-24 1. Predict the elimination products of the following reactions. When two alkenes are possible, predict which one will be the major product. Explain your answers, showing the degree of substitution of each double bond in the products. 2. Which of these reactions are likely to produce both elimination and substitution products? (a) 2-bromopentane + NaOCHz (b) 3-bromo-3-methylpentane + NaOMe (Me = methyl, CH3) (C) 2-bromo-3-ethylpentane + NaOH
2. (16 points) In each of the following pairs of reactions elimination competes with substitution. Write the starting material and all possible products of the reactions, don't write mechanistic part Write "elimination is favored" for reaction in which elimination products can be obtained in higher yield comparing to the yield of the elimination product/s in the second reaction. Provide the reason for such statement, reason is in reaction conditions. Supplementary session is on 10/31/19 between 5:30 PM an write 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 ___ 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?
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...
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