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1 vote
0 answers
164 views

Find the major products when these cyclohexenone bromides react with caustic potash in alcoholic medium:

Question: Also find the order of the rates of the given reactions. Answer: The answer of this question is given as option 'D' ie. all products are identical, however I am getting the answer as ...
Shriom707's user avatar
  • 197
0 votes
0 answers
95 views

What will be the major product of the following dehydrohalogenation?

Question:- My Attempt:- I believe the answer should be C, because even if 2-butyne is formed $\ce{NaNH2}$ should cause it to rearrange into a terminal alkyne. Hence the answer should be 1-butyne. ...
Aditya suresh's user avatar
14 votes
1 answer
2k views

Rearrangement with sodium iodide (ring opening)

I'm not able to figure out the mechanism for this reaction. I don't see how sodium iodide in acetone could lead to rearrangement, and surprisingly ring opening! What is this reaction called, if it ...
stoic-santiago's user avatar
4 votes
1 answer
10k views

Reaction of dihalides with excess of NaNH2

Gem-dihalides react with $\ce{NaNH2}$ to give terminal alkynes. Why is a terminal alkyne prefered? For example, I had thought that 2-pentyne would be preferred over 1-pentyne as it would be more ...
user avatar
11 votes
2 answers
12k views

What is the major product in the reaction of 2,3-dichlorobutane with sodium amide in liquid ammonia?

I am not able to decide which among 1,3-butadiene and 2-butyne is the major product of this reaction. Will there be even a major product out of the two or will there be a mixture? According to me, ...
chemhead's user avatar
  • 161
3 votes
1 answer
2k views

Why does this E2 reaction occur on the less substituted carbon?

In compound C it eliminates the beta hydrogen attached to the less substituted carbon, rather than attacking the beta hydrogen attached to the tertiary carbon. Why is this the case?
john clastings's user avatar
6 votes
2 answers
2k views

Origin of alkenes from Wurtz Reaction

According to Wikipedia: Also, since the reaction involves free radical species, a side reaction occurs to produce an alkene. This side-reaction becomes more significant when the alkyl halides are ...
Dissenter's user avatar
  • 19k