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Homework Help: How to convert ethene to but-1-yne?

  1. Jul 11, 2014 #1
    1. The problem statement, all variables and given/known data
    How is ethene converted to but-1-yne?

    2. Relevant equations
    Alkenes can be converted to alcohols or halides.

    3. The attempt at a solution
    Don't remember much of the conversions in Chemistry........really need the help!!!!
  2. jcsd
  3. Jul 12, 2014 #2
    OK, how can you make alkynes?
  4. Jul 18, 2014 #3


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    Gold Member

    First step would be to combine two units of ethene to form a 4 carbon backbone.
  5. Jul 25, 2014 #4
    You need to add two more carbons, so consider how you would have the ethene attack a 2 carbon halide while having a triple bond.
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