Organic Chemistry III
	Professor Carl C. Wamser
Chem 336 - Spring 2006	Pre-Quiz 21

(must be done in WebCT before Fri., April 14, 8:30 am)

1. In the equilibrium between ethoxide and ethyl acetate, the ester is predominantly

* a. neutral  
b. anionic  
c. cationic

2. In the equilibrium between ethoxide and ethyl acetoacetate, the keto ester is predominantly

a. neutral  
* b. anionic  
c. cationic

3. A mixed Claisen condensation could be done using ethyl benzoate and

a. methyl benzoate  
* b. ethyl phenylacetate  
c. ethyl formate  
d. cyclohexanone  
e. ethyl 2,2-dimethylpropionate

4. The malonic ester synthesis could be used with 1-bromopentane to prepare

a. pentanoic acid  
b. pentanedioic acid  
c. hexanoic acid  
* d. heptanoic acid  
e. octanoic acid

5. Michael addition could involve the enolate of acetoacetic ester plus

a. cyclohexanone  
* b. 2-cyclohexenone  
c. 1,3-cyclohexadiene  
d. benzaldehyde  
e. benzyl bromide