feb_15 - 2/15/2010 Choose those methods that could not be...

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2/15/2010 1 Choose those methods that could not be used to prepare carbocations for electrophilic aromatic substitution. C O H A. i B. ii C C + Cl Al Cl Cl Cl ii H C C H i iii C. iii D. i+ i i E. none F. all What is the product of the following reaction? AlCl 3 + Cl Cl Cl Cl AB C D E What is the product of the following reaction? AlCl 3 + + H C H Al Cl Cl Cl Cl Al Cl Cl Cl Cl + Cl Cl + Al Cl Cl Cl Friedel-Crafts alkylation What is the major product of the following Friedel-Crafts reaction? Cl AlCl 3 + (A) (B) (C) H H Which of the following two reactions would be faster? Cl AlCl 3 (A) + Cl AlCl3 (B) + Polyalkylation is a big problem with Friedel-Crafts alkylation. Cl AlCl 3 + fast Cl AlCl 3 slow + AlCl3 Cl fast
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2/15/2010 2 A second product is formed in the following reaction. What is the structure of this second product? A BC + ? A second product is formed in the following reaction. What is the structure of this second product? + Suggest a carbocation that cannot rearrange.
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feb_15 - 2/15/2010 Choose those methods that could not be...

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