For each pair of aromatic compounds, determine which will undergo electrophilic aromatic substitution faster. (a) (b) (c) (d) LOH ОН CF3 NO, (e) CI CI (f) SO3H SCH3 (g) (h) OH LOH
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- Which sequence ranks the following aromatic rings of this compound in order of increasing reactivity in an electrophilic aromatic substitutionreaction (slowest to fastest reacting)?Predict the most likely sites of electrophilic aromatic substitution in each of the following molecules.Which of these compounds would undergo nucleophilic aromatic substitution the fastest?
- Usually at the 2- or 3- position, Thiophene undergoes electrophilic aromatic substitution. Draw the intermediates and all resonance structures for the reaction at each position, and then decide what position should be more reactive depending on your intermediates.Provide an arrow pushing mechanism for the following transformation and clearly circle the slowest (rate-determining) step in the mechanism.(a) For which aromatic compound do you expect nitration to take place faster: furan or thiophene? (b) For each of these compounds, at which C atom do you expectelectrophilic aromatic substitution to predominantly takeplace? Explain your reasoning.
- Provide a detailed mechanism for the following reactionOrganometallic compounds act as nucleophiles under very specific conditions, and can generate alcohols, alkanes, among others. Describe in detail what these reaction conditions are so that organometallics can perform the addition reaction to carbonyl.Propose a reasonable mechanism for the following reaction.
- Please explain the following clearly. 1.Benzene undergoes electrophilic aromatic Substitution rxns. Why is that? 2. Giving and example and mechanisms, explain the aromatic Substitution reactions.Predict the major product(s) of electrophilic aromatic substitutionArrange the compounds in set in order of decreasing reactivity (fastest to slowest) toward electrophilic aromatic substitution.