UNIT 5 - Enolates-03-enolates HW

UNIT 5 - Enolates-03-enolates HW - c...

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SC6POC O’Malley Enolates 3 Name: __________________ (HW) © S. O’Malley 2010 1. What is the first step in an aldol reaction? a. Elimination of hydroxide b. Addition to the carbonyl c. Formation of the enolate d. Bromination 2. Which of the following are enol forms of ethyl acetoacetate (shown below)? or All of the above 3. Which of the following is NOT a resonance form of the enolate ion formed in the following acid-base equilibrium? 4. What is the starting material? 5. What is the product? Or Both A and C 6. What is the product? 7. What is the product? 8. What is the product? a. 3-ethyl-2-methyl-1-hexanol b. 2-ethyl-3-methyl-1-hexanol
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Unformatted text preview: c. 2,3-dimethyl-1-pentanol d. 3,3-dimethyl-1-pentanol 9. What is the self aldol addition product of propanal? a. 2-hydroxy-2-methylpentanal b. 3-hydroxy-2-methylpentanal c. 3-hydroxyhexanal d. 4-hydroxyhexanal 10. What is the product? 11. Identify the starting reagent needed to make the following cyclic ketone by an intramolecular aldol condensation reaction: 12. Fill in the missing reagent in the following Robinson annulation: 13. What is the product? 14. What are the intermediates in the following scheme? 15. What will be the major product of the following reaction? O O + O NaOMe...
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