3. Draw the ketone prepared by the following reactions (via Acetoacetic Ester Synthesis). a. [2]CH3][1]NaOEt (3) H3O,A b. [2]CH3CH2CH2Br[1]NaOEt (3) NaOEt [4]C6H5CH2I [5] H3O, 4. What product is formed when each compound is treated first with LDA in THF solution at low temperature, followed by CH3CH2 I (direct enolate alkylation)? b. [2]CH3CH2I[1]LDA,THF [2]CH3CH2L[1]LDA,THF ? d. [1] LDA, THF [2] CH3CH2I