When eithyl acetate is treated with_____acetoacetic ester is formed.

Explanation

To solve the question of what reagent is needed for ethyl acetate to form acetoacetic ester, we can follow these steps:

### Step 1: Understand the Reactants
- **Ethyl Acetate**: It is an ester with the formula CH3COOCH2CH3. It consists of an ethyl group (C2H5) and an acetate group (CH3CO-).
- **Acetoacetic Ester**: This is a beta-keto ester, specifically 3-oxobutanoate, which has the structure CH3C(O)CH2COOEt.

### Step 2: Identify the Reaction Type
- The reaction involves the formation of a beta-keto ester from an ester (ethyl acetate). This typically occurs through a nucleophilic substitution reaction, where a nucleophile attacks the carbonyl carbon of the ester.
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