Q: Show the full curved arrow mechanism for the following reaction, clearly showing how the indicated…
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Q: Show the full curved arrow mechanism for the following reaction, clearly showing how the indicated…
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Q: jo. HOCH₂CH₂OH HC1 & + H₂O
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- Provide the complete mechanism using curved arrow formalism for the reaction of p-isopropxlbenzoic acid undergoing nitration. Tell how many peaks in the 'H and 13C NMR spectrum that would be observed for the final product.Which reaction below give a par of diastereomers and Why?Explain the E2 mechanism (bimolecular elimination) of of Elimination ?
- Q4: Explain: Friedel-Crafts acylation formed by attack at the meta positions of Nitrobenzene. (-NH; and -OH) act as powerful activators toward electrophilic aromatic substitution.1) Explain why electrophilic aromatic substitution in Pyrrole takes place at C-2 positions whereas, in Pyridine it takes place at C-3 position? 2) LDA is the base of choice for carbonyl compound to completely convert into enolate. Why? 3) List the following esters in order of decreasing reactivities towards hydrolysis with reason:Methyl benzoate, p-cyano methyl benzoate and p-hydroxy methyl benzoate(i) Explain why a high reaction temperature favours elimination reactions, instead of substitution reactions. (ii) Explain why polar aprotic solvents favour Sn2 reaction but not favour SN1 reaction.
- Give only typing answer with explanation and conclusion to all parts draw the mechanism for these 4 reactions with electron movement and arrows and products formed The dehydration of 2-butanol with H2SO4 The dehydration of 2-butanol with H2SO4 The dehydrobromination of 1-bromobutane with potassium tert-butoxide The dehydrobromination of 2-bromobutane with potassium tert-butoxideThe bicyclic heterocycles quinoline and indole undergo electrophilic aromatic substitution to give the products shown.(a) Explain why electrophilic substitution occurs on the ring without theN atom for quinoline, but occurs on the ring with the N atom in indole. (b)Explain why electrophilic substitution occurs more readily at C8 than C7in quinoline. (c) Explain why electrophilic substitution occurs morereadily at C3 rather than C2 of indole.a) Write out the first 3 steps only(to the tetrahedral intermediate shown) in the 6-step arrow pushing mechanism showing how ethyl propanoate is hydrolyzed in acid to form propanoic acidand ethanol. b) NaOH/H2O also serveto hydrolyze an ester; briefly explain why NaOH/H2Ois generally preferable.