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1. 1 eq NaOCHs CHJOH H3CO 2. cold aqueous acid OEt 2. 1. 1 eq NaOEt EtOH 2. cold

ID: 537922 • Letter: 1

Question

1. 1 eq NaOCHs CHJOH H3CO 2. cold aqueous acid OEt 2. 1. 1 eq NaOEt EtOH 2. cold aqueous acid d Sy2 Nucleophilic substitution a Electrophilic addition b=E2 Elimination g-Nucleophilic subs at carbonyl(acyl Xfer) e- Electrophilic aromatic substitution hConjugate (aucleophilic) addn f= Carbonyl nucleophilic addn SNI Nucleophilic substitution Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a - i for your answers. 1. aqueouS NaOH CH3 0 OHCHOH 2. aqueous HC OH O) aqueous NaOH O Na reflux +CHOH a Electrophilic addition b = E2 Elimination c = SNI Nucleophilic substitution d Sy2 Nucleophilic substitution e Electrophilic aromatic substitution h-Conjugate (aucleophilic) addn f-carbonyl nucleophilic addn g = Nucleophilic subs at carbonyl(acyl Xfer) Identify the mechanism by which each of the reactions above proceeds from among the mechanisms listed your answers by which each of the reactions above proceeds from among the mechanisms listed. Use the letters a i for

Explanation / Answer

Mechanism

First set

1. this is an example of nucelophilic substitution reaction

Mechanism : d

2. this is again an example of nucelophilic substitution reaction

Mechanism : d

Second set

1. this is an example of nucelophilic substitution at carbonyl carbon

Mechanism : g

2. this is also an example of nucelophilic substitution at carbonyl carbon

Mechanism : g