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Nedd help with Friedel Crafts alkylation

  1. Nov 14, 2005 #1
    Need help with Friedel Crafts alkylation

    Hi. In my laboratory text book there is an explanation on how to make 1,4-Di-t-butyl-2,5-dimethoxybenzene from p-Dimethoxybenzene, tert-butanol and sulfuric acid. I am to put acetic acid and t-butyl alcohol to the p-Dimethoxybenzene. What my textbook doesn't explain is what does the acetic acid do in the reaction. Could someone please explain to me.
    Thanks.
     
  2. jcsd
  3. Nov 14, 2005 #2

    siddharth

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    Swatch, do you know what is the attacking electrophile in this reaction?
     
  4. Nov 14, 2005 #3
    The attacking electrophile would be the tert-butyl since the sulfuric acid protonated the tert-butanol and water leaves. Is that not correct?
     
  5. Nov 14, 2005 #4

    siddharth

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    Yes, that's is true.
    I think that the acetic acid is used as a solvent in this reaction.Generally, acetic acid readily mixes with many other polar and non-polar solvents such as water, chloroform, and hexane.
     
  6. Nov 14, 2005 #5
    O.K.
    Thanks
     
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