Organic Chemistry III

Professor Carl C. Wamser

Homework 17

Chem 336 - Spring 2005

Carey, pages 745 - 754

Problems 17.20 - 26 , 28 - 43 , 45 - 49


1. Write complete names for each of the following:

a)

b)

2. Write a complete mechanism for the acid-catalyzed formation of the cyclic acetal between acetone and cis-1,2-cyclopentanediol.
Explain why an acetal is not formed with the trans isomer.

3. Develop a synthetic sequence for 3-ethyl-3-hexanol that uses as organic starting materials only alcohols having four carbons or fewer.

4. Explain how acetone in the presence of radioactively-labelled water (H2O-18) slowly becomes radioactive itself.