Write the structure of the major organic product for the reaction of 1-bromoprop
ID: 1017489 • Letter: W
Question
Write the structure of the major organic product for the reaction of 1-bromopropane in the following reactions. The possible products are shown below: [answer by letter, no parenthesis]
In order to determine the major product, you need to know the dominant mechanism under the given conditions. Ask yourself the following:
1. What type of alkyl halide is reacting, e.g., 1o, 2o, 3o?
2. Is the nucleophile a strong or weak base?
a. Recall that in general, the better the base, the better the nucleophile
3. What kind of mechanism predominates under the given conditions, e.g., SN1/E1, SN2, or E2
a. Note that a strongly basic, unhindered nuc (like CHO-) favors SN2 while a strongly basic, hindered nuc (like (CH3)3CO-) favors E2.
4. What is the major product of the reaction? [answer by letter, no parenthesis]
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Question 2 (2 points)
Question 2 options:
Write the structure of the major organic product for the reaction of 1-bromopropane in the following reactions. The possible products are shown below: [answer by letter, no parenthesis]
In order to determine the major product, you need to know the dominant mechanism under the given conditions. Ask yourself the following:
1. What type of alkyl halide is reacting, e.g., 1o, 2o, 3o?
2. Is the nucleophile a strong or weak base?
a. Recall that in general, the better the base, the better the nucleophile
3. What kind of mechanism predominates under the given conditions, e.g., SN1/E1, SN2, or E2
a. Note that a strongly basic, unhindered nuc (like CHO-) favors SN2 while a strongly basic, hindered nuc (like (CH3)3CO-) favors E2.
4. What is the major product of the reaction? [answer by letter, no parenthesis]
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Question 3 (2 points)
Question 3 options:
Write the structure of the major organic product for the reaction of 1-bromopropane in the following reactions. The possible products are shown below: [answer by letter, no parenthesis]
In order to determine the major product, you need to know the dominant mechanism under the given conditions. Ask yourself the following:
1. What type of alkyl halide is reacting, e.g., 1o, 2o, 3o?
2. Is the nucleophile a strong or weak base?
a. Recall that in general, the better the base, the better the nucleophile
3. What kind of mechanism predominates under the given conditions, e.g., SN1/E1, SN2, or E2
a. Note that a strongly basic, unhindered nuc (like CHO-) favors SN2 while a strongly basic, hindered nuc (like (CH3)3CO-) favors E2.
4. What is the major product of the reaction? [answer by letter, no parenthesis]
a)
b)
Explanation / Answer
Question:-1
a) major product would be structure A
SN2 mechanism would be predominant in reaction of primary alkyl halides with strong nucleophile and base if it is unhindered.
b)major product would be structure D
SN2 mechanism would be predominant in reaction of primary alkyl halides with strong nucleophile and base if it is unhindered.
c)major product would be structure E
E2 mechanism would be predominant in reaction of primary alkyl halides with strong nucleophile and base if they are hindered. Regioselectivity would be Hoffman's.
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