What product is formed from this reaction sequence? What us the order of reactiv

Question

What product is formed from this reaction sequence? What us the order of reactivity for these esters towards aqueous sodium hydroxide, NaOH? Place them in order from most reactive to least reactive 3 > 2 > 1 1 > 2 > 3 3 > 1 > 2 2 > 3 > 1 What would be the major product of this reaction? The imidazole ring system, shown here, which contains two nitrogen atoms, is found in the amino acid histidine. Which statement is true regarding the basically of the two-ring nitrogen atom? Both are strongly basic since the ring is aromatic. The nitrogen atom labeled (1) is more basic than (2). The nitrogen atom labeled (2) is more basic than (1). Neither of the nitrogen atom would be consider basic. What type of reaction is shown at the right? Nucleophilic aromatic substitution Electronic aromatic substitution Nucleophilic aromatic addition Electrophilic aromatic addition

Explanation / Answer

5) RCH2MgX + CO2 -------> RCH2COOMgX + H3O+ ----------> RCH2COOH

Therefore,

ans = a

7) It is a aldol condensation reaction

ans = b

9) ans = b

It is a electrophilic aromatic substitution

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