Nedd help with Friedel Crafts alkylation

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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.
 

siddharth

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

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.
 
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O.K.
Thanks
 

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