Organic Chemistry III
	Professor Carl C. Wamser
Chem 336 - Spring 2007	Quiz 26

1. (3 points) One of the two C20 compounds below would be categorized as a diterpene. Indicate which one by circling the original isoprene units.

2. (3 points) Add electron-pushing arrows to show how the following reaction would occur (all in one step). Show where an acid and a base catalyst would be used to facilitate the one-step reaction.

3. (4 points) Show the structure of a phospholipid that would be created from the following components. Show the form expected at pH 7.
glycerol, phosphate, lauric acid (saturated C12 fatty acid),
palmitoleic acid (unsaturated C16 fatty acid, with C=C at C9-C10),
and choline ( HO-CH2-CH2-N+(CH3)3 )