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1. Ethyl acetate reacts with NaOCzHs to form an ester enolate ion. ester enolate tetrahedral intermediate B-keto ester a. Draw the structure of the ester enolate and tetrahedral intermediate. b. (1) Circle the leaving group in the tetrahedral intermediate that leaves to form the B-keto ester. (ii) Use curved arrows to show how the tetrahedral intermediate forms the B-keto ester. (ii) Draw the structure of the B-keto ester product. 2. If you like cooking with ginger, here is one thing that happens OH Sorlin gore + 2nd product HO gingerol zingerone fresh ginger pungency sweet, spicy flavor not present in uncooked ginger. created by heating gingerol a. Circle the alpha carbon(s) and box the beta carbon(s) in gingerol. b. When zingerone forms, a second product also forms. Draw the structure of the second product. c. Can gingerol form an a, B-unsaturated aldehyde/ketone? If so, draw the structure of this compound.