Question: (a) Explain why compound A, when treated with one equivalent of NaOEt, followed by acidification, is completely converted into compound B. (b) Write a curved-arrow

(a) Explain why compound A, when treated with one equivalent of NaOEt, followed by acidification, is completely converted into compound B.

(b) Write a curved-arrow mechanism for this conversion.

(c) Give the structure of the only product formed when diethyl a-methyladipate (compound C) reacts in the Dieckmann condensation. Explain your reasoning. A CH3 -COEt H3C. B COEt EtO2C .COzEt CH3

A CH3 -COEt H3C. B COEt EtO2C .COzEt CH3

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