???? OCH3 NaH + BrCH2CO2CH3 + H2 NaBr benzene CO2Et CH2(CO2Et)2 Et PhCO2H/ benze

Question

???? OCH3 NaH + BrCH2CO2CH3 + H2 NaBr benzene CO2Et CH2(CO2Et)2 Et PhCO2H/ benzene a Electrophilic addition b E2 Elimination c = SNI Nucleophilic substitution d - SN2 Nucleophilic substitutiong-Nucleophilic subs at carbonyl(acyl Xfer) e- Electrophilic aromatic substitution h-Conjugate (nucleophilic) addn f-Carbonyl nucleophilic addn Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - 1 for your answers Submit Answer Retry Entire Group 4 more group attempts remaining

Explanation / Answer

1) d) SN2 nucleophilic substitution

Explanation: NaH is a strong base which abstracts acidic proton and produces carbanion which on further reaction with alkyl halide produces SN2 substitution reaction.

2) g) Nucleophilic substitution at carbonyl (acylXfer)

Explanation: pyridine is a base which abstracts acidic proton and produces carbanion which on further reaction with carbonyl carbon produces alkene as product.

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