Chem 335 - Winter 1999 - Organic Chemistry II
Portland State University - Dr. Carl C. Wamser


Chapter 11 Quiz Answers

1. (2 points) Write a complete IUPAC name for the following:

(R)-2-ethyl-2-methyloxirane

2. (1 point) Give an appropriate common name for the following:

cyclopentyl isobutyl ether




3a. (1 point) Write an accurate structure for cis-2-chloro-3-ethyloxirane.


3b. (1 point) Is the above compound chiral? If so, write its enantiomer.
If not, explain why it is not.


4. (2 points) Complete the following reaction by adding the final major product.




5. (3 points) Write a synthetic sequence that could be used to make the following compound from tert-butyl alcohol and acetylene as the component organic compounds. You will need several steps and you may use additional reagents as necessary. Use the back of the page for your reaction sequence.