l8 - CH3 O - Electron Donating Groups Most basic sites H H...

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CH 3 Electron Donating Groups δ - δ - Most basic sites δ - O δ + δ + Electron Withdrawing Groups δ + Most basic sites But less basic than benzene H H H Fe Br Br H H Br H H Br H H Br-Br no reaction Br H H H Br H H H H Fe Br Br Br Fe Br Br H Br catalyst Electrophilic Aromatic Subsitution How can you make Br 2 a stronger acid? Add another acid. Fe Br Br Br-Br Fe Br Br Br Br Br Br H H H Al Cl Cl Cl H H H H H H Cl-Cl Cl H H H Cl H H H H H Al Cl Cl Al Cl Cl Cl Cl catalyst Electrophilic Aromatic Subsitution Cl How can you make Cl 2 a stronger acid? Add another acid. Al Cl Cl Cl-Cl Al Cl Cl Cl Cl Cl Cl H H H Al Cl Cl CH 3 H H CH H H H H CH 3 -Cl Cl H H H 3 H H H H H Al Cl Cl Al Cl Cl Cl Cl Friedel Crafts Alkylation catalyst Electrophilic Aromatic Subsitution Cl How can you make CH 3 Cl a stronger acid? Add another acid. Al Cl Cl CH 3 -Cl Al Cl Cl CH 3 Cl Cl Cl Never a free species H CH 3 H Cl H H H H Al Cl Cl Cl Friedel Crafts Alkylation Predict the main product CH 3 H CH 3 H H CH 3 H H CH 3 H H H H H H H H H HH A. B. C. D. H CH 3 H Cl H H CH 3 H CH 3 H AlCl 3 H H H Al Cl Cl H H H H + Cl H Rearrangement CH 3 H H Hydride shift H H H Cl Al Cl Cl C l
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H CH 3 H H CH
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l8 - CH3 O - Electron Donating Groups Most basic sites H H...

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