Chem 336 - Spring 2002
Organic Chemistry III
Dr. Carl C. Wamser
In order to do this pre-quiz, you must log in to the class WebCT site.
This pre-quiz must be submitted via WebCT before Wednesday morning, April 24, 8:30 am.
1. The Dieckmann condensation typically produces
1) a lactone
* 2) a ketone
3) a carboxylic acid
4) an aldehyde
5) none of the above
2. The malonic ester synthesis is a general approach to preparing substituted derivatives of
1) cyclohexanone
2) acetone
* 3) acetic acid
4) benzoic acid
5) acetaldehyde
3. A barbiturate is made by condensation of a malonic ester with
1) barbituric acid
2) an amine
3) an alkyl halide
4) an ester
* 5) urea
4. A base strong enough to quantitatively convert an ester to its enolate is
1) NaOH
2) NaOEt
3) KOtBu
* 4) LDA
5) none of the above
5. An alkyl halide that would NOT work well in the acetoacetic ester synthesis is
1) benzyl bromide
* 2) bromobenzene
3) methyl iodide
4) 1-bromobutane
5) 1-bromohexane