Organic Chemistry II |
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Professor Carl C. Wamser |
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Chem 335 - Winter 2007 |
Pre-Quiz 16 |
(must be done in WebCT before Mon., Feb. 19, 8:30 am)
1. A saturated five-membered ring containing one oxygen is known as
a. oxirane
b. oxetane
* c. oxolane
d. oxane
e. epoxide
2. 15-crown-5 is the name given to a cyclic polyether compound containing
a. 15 carbons and 5 oxygens
* b. 10 carbons and 5 oxygens
c. 10 carbons and 10 oxygens
d. 5 carbons and 10 oxygens
3. The preferred Williamson ether synthesis of 2-methoxybutane would use
a. sodium methoxide and 2-bromobutane
b. potassium tert-butoxide and methyl iodide
c. sodium isobutoxide and methyl iodide
* d. sodium 2-butoxide and methyl iodide
e. methyllithium and 2-butanol
4. Addition of a phenyl Grignard reagent to ethylene oxide will give (after acid workup)
a. 1-phenylethanol
* b. 2-phenylethanol
c. 3-phenyl-1-propanol
d. 2-phenyl-1-propanol
e. 1-phenyl-1-propanol
5. Sulforaphane is described as an anticancer agent
a. synthesized by a pharmaceutical company
* b. found naturally in broccoli
c. highly toxic