MCQ
The back-side attack on $2$ -bromobutane by methoxide $(CH_3O^-)$ gives the product shown below. Which Fischer projection represents $2$ -bromobutane used as the reactant in this reaction ?


- A

- B

- C

- ✓








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Acetoacetic ester $\xrightarrow{NaOEt}$ $\xrightarrow{C{{H}_{3}}I}$ $\xrightarrow{NaOEt}$ $\xrightarrow{C{{H}_{3}}C{{H}_{2}}C{{H}_{2}}Br}$