Organic Chem Help: Alkyl Halide to Alcohol, Alkene, Alkyne, alkene to Alcohol

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Discussion Overview

The discussion revolves around the types of reactions involving alkyl halides and their conversions to alcohols, alkenes, and alkynes. Participants explore the mechanisms and feasibility of these transformations, including specific examples and the potential for multi-step processes.

Discussion Character

  • Homework-related
  • Conceptual clarification
  • Debate/contested

Main Points Raised

  • One participant presents a reaction where chloroethane reacts with water to form ethanol and hydrogen chloride, seeking further clarification on the other types of reactions.
  • Another participant questions the possibility of converting an alkyl halide to an alkyne, suggesting that condensation reactions may be necessary.
  • A suggestion is made that the conversion from alkyl halide to alkyne need not be a single-step process, proposing the idea of multi-step conversions using alkyl dihalides.
  • Participants discuss the strategy of retrosynthesis to approach the problem of synthesizing the desired product from the initial reactants.

Areas of Agreement / Disagreement

Participants express uncertainty regarding the conversion of alkyl halides to alkynes, with some suggesting it may not be possible in a straightforward manner. There is no consensus on the mechanisms or methods for these conversions.

Contextual Notes

Participants do not fully agree on the feasibility of certain reactions, particularly the conversion of alkyl halides to alkynes, and the discussion includes various assumptions about reaction mechanisms and steps.

Who May Find This Useful

Students or individuals studying organic chemistry, particularly those interested in reaction mechanisms and synthesis involving alkyl halides.

Tensaiga
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hello, ok i will get straight to the point i don't get the following questions:
Indicate the following type of reation that is taking place, and also give an example.
a) Alkyl halide to alcohol
b) Alkyl halide to alkene
c) alkyl halide to alkyne
d) alkene to an alcohol

i tried a), i got chloroethane + water ---> ethanol + hydrogen chloride
that's all i understands...who can help me out a bit?

Thank You
 
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Tensaiga said:
i tried a), i got chloroethane + water ---> ethanol + hydrogen chloride
that's all i understands...who can help me out a bit?

Yeah. Do you understand the mechanism of this reaction? If you do, you should have no difficulty with the other reactions.

This link may help.
http://www.cem.msu.edu/~reusch/VirtualText/alhalrx2.htm#hal4

If you're stuck somewhere, feel free to ask.
 
Last edited by a moderator:
ummm i still don't get it ... i just don't think c was possible, alkyl hailde to alkyne? how ? the only one that's possible of doing this was condensation reaction, i think.
 
Tensaiga said:
ummm i still don't get it ... i just don't think c was possible, alkyl hailde to alkyne? how ? the only one that's possible of doing this was condensation reaction, i think.

It need not be a single step conversion. Can you think of a multi step conversion to get the alkyne?
(Hint: Alkyl dihalides)

When you are stuck in conversions, a good idea is to work backwards (retrosynthesis). Start from the final product. How will you synthesize that? Try linking it to your initial product.
 
ok i get it now thanks.
 

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