Chem 336 - Spring 2002
Organic Chemistry III
Dr. Carl C. Wamser
1. (4 pts) Show the biosynthetic origins of the compounds below by circling the original constituents:
Identify the isoprene units in the compound below.
Identify the acetate units in mevalonic acid below.
2. (4 pts) Place all the substituents of cholic acid properly on the chair forms. Circle all substituents that are added in axial positions.
3. (2 pts) Write the structure of a phospholipid made from one C-16 saturated fatty acid, one C-18 unsaturated fatty acid, 2-aminoethanol, glycerol, and phosphate.
plus other possibilities