38. Propose a synthesis for the target compound, beginning from the ester shown. You may use any reagents that you wish. Show all synthetic intermediates and reagents. (Hints: Start with a Claisen reaction. You may need to use a protecting group.) (5 points) OH
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- on 6 of 20 Complete the mechanism for the keto-enol tautomerization shown using bonds, charges, nonbonding electron pairs, and curved arrows (forward reaction only). Do not delete any pre-drawn bonds, charges, or lone pairs. If you accidentally delete a vital part of the structure, click the undo button in the lower left. Step 2: complete the structure, then add curved arrows. Step 1: keto form. Draw curved arrows. Select Draw Rings More Erase Select Draw Rings More Erase C -H :0 : :o : 1L2) Complete the following multi-step synthesis. Protecting groups will probably be required. (6 pts) OH Br H OH29) Draw all of the expected products for the following reaction. Circle the most dominant product in each reaction. 'BUOK 3 NaOEt
- Draw a mechanism for the following reaction. Make sure to include all non - bonding electrons. Mechanism:Draw the major organic product of the Bronsted acid- base reaction. Include all lone pairs and charges as appropriate. Ignore any counterions. Incorrect, 2 attempts remaining H. :0: :0: :O: NaOH He) Circle the most basic nitrogen atom in the compound below. -NH2 ) The following isomeization reaction occurs at room temperature. Draw a stepwise mechanism for the reaction and explain why it occurs. OH H,SO, (R)- Carvone Carvacrol